Home / 591,742.70-887,614.05-402,785.90

Finding the Fourth Proportional to 591,742.70, 887,614.05 and 402,785.90

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Solution

The fourth proportional to 591,742.70, 887,614.05 and 402,785.90 is: 604,178.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,742.70 : 887,614.05 = 402,785.90 : x
  2. Step 2: Convert to fraction form
    591,742.70/887,614.05 = 402,785.90/x
  3. Step 3: Cross multiply
    591,742.70x = 887,614.05 × 402,785.90
  4. Step 4: Simplify right side
    591,742.70x = 357,518,423,981.90
  5. Step 5: Solve for x
    x = 357,518,423,981.90/591,742.70
  6. Step 6: Final answer
    x = 604,178.85

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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.