Home / 916,132.44-1,264,264.25-508,234.30

Finding the Fourth Proportional to 916,132.44, 1,264,264.25 and 508,234.30

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Solution

The fourth proportional to 916,132.44, 1,264,264.25 and 508,234.30 is: 701,364.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,132.44 : 1,264,264.25 = 508,234.30 : x
  2. Step 2: Convert to fraction form
    916,132.44/1,264,264.25 = 508,234.30/x
  3. Step 3: Cross multiply
    916,132.44x = 1,264,264.25 × 508,234.30
  4. Step 4: Simplify right side
    916,132.44x = 642,542,457,384.36
  5. Step 5: Solve for x
    x = 642,542,457,384.36/916,132.44
  6. Step 6: Final answer
    x = 701,364.16

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Double scale
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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.