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Finding the Fourth Proportional to 573,308.70, 858,780.45 and 335,931.90

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Solution

The fourth proportional to 573,308.70, 858,780.45 and 335,931.90 is: 503,204.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,308.70 : 858,780.45 = 335,931.90 : x
  2. Step 2: Convert to fraction form
    573,308.70/858,780.45 = 335,931.90/x
  3. Step 3: Cross multiply
    573,308.70x = 858,780.45 × 335,931.90
  4. Step 4: Simplify right side
    573,308.70x = 288,491,748,251.36
  5. Step 5: Solve for x
    x = 288,491,748,251.36/573,308.70
  6. Step 6: Final answer
    x = 503,204.90

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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.