Home / 803,209.92-1,108,419.20-459,041.92

Finding the Fourth Proportional to 803,209.92, 1,108,419.20 and 459,041.92

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Solution

The fourth proportional to 803,209.92, 1,108,419.20 and 459,041.92 is: 633,471.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,209.92 : 1,108,419.20 = 459,041.92 : x
  2. Step 2: Convert to fraction form
    803,209.92/1,108,419.20 = 459,041.92/x
  3. Step 3: Cross multiply
    803,209.92x = 1,108,419.20 × 459,041.92
  4. Step 4: Simplify right side
    803,209.92x = 508,810,877,732.86
  5. Step 5: Solve for x
    x = 508,810,877,732.86/803,209.92
  6. Step 6: Final answer
    x = 633,471.85

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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.