Home / 916,132.69-1,264,264.60-508,234.55

Finding the Fourth Proportional to 916,132.69, 1,264,264.60 and 508,234.55

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Solution

The fourth proportional to 916,132.69, 1,264,264.60 and 508,234.55 is: 701,364.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,132.69 : 1,264,264.60 = 508,234.55 : x
  2. Step 2: Convert to fraction form
    916,132.69/1,264,264.60 = 508,234.55/x
  3. Step 3: Cross multiply
    916,132.69x = 1,264,264.60 × 508,234.55
  4. Step 4: Simplify right side
    916,132.69x = 642,542,950,061.93
  5. Step 5: Solve for x
    x = 642,542,950,061.93/916,132.69
  6. Step 6: Final answer
    x = 701,364.50

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Half scale
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Double scale
Find fourth proportional to 916,133.69, 1,264,265.98 and 508,235.55
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.