Home / 657,873.28-907,582.08-386,024.32

Finding the Fourth Proportional to 657,873.28, 907,582.08 and 386,024.32

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Solution

The fourth proportional to 657,873.28, 907,582.08 and 386,024.32 is: 532,547.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,873.28 : 907,582.08 = 386,024.32 : x
  2. Step 2: Convert to fraction form
    657,873.28/907,582.08 = 386,024.32/x
  3. Step 3: Cross multiply
    657,873.28x = 907,582.08 × 386,024.32
  4. Step 4: Simplify right side
    657,873.28x = 350,348,755,276.19
  5. Step 5: Solve for x
    x = 350,348,755,276.19/657,873.28
  6. Step 6: Final answer
    x = 532,547.48

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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.