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Finding the Fourth Proportional to 573,384.96, 791,175.60 and 318,701.52

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Solution

The fourth proportional to 573,384.96, 791,175.60 and 318,701.52 is: 439,754.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,384.96 : 791,175.60 = 318,701.52 : x
  2. Step 2: Convert to fraction form
    573,384.96/791,175.60 = 318,701.52/x
  3. Step 3: Cross multiply
    573,384.96x = 791,175.60 × 318,701.52
  4. Step 4: Simplify right side
    573,384.96x = 252,148,866,306.91
  5. Step 5: Solve for x
    x = 252,148,866,306.91/573,384.96
  6. Step 6: Final answer
    x = 439,754.94

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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.