Home / 907,387.20-1,359,007.20-534,139.20

Finding the Fourth Proportional to 907,387.20, 1,359,007.20 and 534,139.20

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Solution

The fourth proportional to 907,387.20, 1,359,007.20 and 534,139.20 is: 799,988.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,387.20 : 1,359,007.20 = 534,139.20 : x
  2. Step 2: Convert to fraction form
    907,387.20/1,359,007.20 = 534,139.20/x
  3. Step 3: Cross multiply
    907,387.20x = 1,359,007.20 × 534,139.20
  4. Step 4: Simplify right side
    907,387.20x = 725,899,018,602.24
  5. Step 5: Solve for x
    x = 725,899,018,602.24/907,387.20
  6. Step 6: Final answer
    x = 799,988.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.