Home / 916,127.64-1,264,257.61-508,229.47

Finding the Fourth Proportional to 916,127.64, 1,264,257.61 and 508,229.47

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Solution

The fourth proportional to 916,127.64, 1,264,257.61 and 508,229.47 is: 701,357.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,127.64 : 1,264,257.61 = 508,229.47 : x
  2. Step 2: Convert to fraction form
    916,127.64/1,264,257.61 = 508,229.47/x
  3. Step 3: Cross multiply
    916,127.64x = 1,264,257.61 × 508,229.47
  4. Step 4: Simplify right side
    916,127.64x = 642,532,976,022.15
  5. Step 5: Solve for x
    x = 642,532,976,022.15/916,127.64
  6. Step 6: Final answer
    x = 701,357.49

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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.