Home / 802,329.92-1,107,227.40-439,750.88

Finding the Fourth Proportional to 802,329.92, 1,107,227.40 and 439,750.88

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Solution

The fourth proportional to 802,329.92, 1,107,227.40 and 439,750.88 is: 606,862.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,329.92 : 1,107,227.40 = 439,750.88 : x
  2. Step 2: Convert to fraction form
    802,329.92/1,107,227.40 = 439,750.88/x
  3. Step 3: Cross multiply
    802,329.92x = 1,107,227.40 × 439,750.88
  4. Step 4: Simplify right side
    802,329.92x = 486,904,223,510.11
  5. Step 5: Solve for x
    x = 486,904,223,510.11/802,329.92
  6. Step 6: Final answer
    x = 606,862.85

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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.