Home / 916,191.62-1,264,496.18-508,424.43

Finding the Fourth Proportional to 916,191.62, 1,264,496.18 and 508,424.43

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Solution

The fourth proportional to 916,191.62, 1,264,496.18 and 508,424.43 is: 701,709.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,191.62 : 1,264,496.18 = 508,424.43 : x
  2. Step 2: Convert to fraction form
    916,191.62/1,264,496.18 = 508,424.43/x
  3. Step 3: Cross multiply
    916,191.62x = 1,264,496.18 × 508,424.43
  4. Step 4: Simplify right side
    916,191.62x = 642,900,755,566.60
  5. Step 5: Solve for x
    x = 642,900,755,566.60/916,191.62
  6. Step 6: Final answer
    x = 701,709.93

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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.