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Finding the Fourth Proportional to 573,538.59, 791,521.94 and 379,612.24

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Solution

The fourth proportional to 573,538.59, 791,521.94 and 379,612.24 is: 523,890.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,538.59 : 791,521.94 = 379,612.24 : x
  2. Step 2: Convert to fraction form
    573,538.59/791,521.94 = 379,612.24/x
  3. Step 3: Cross multiply
    573,538.59x = 791,521.94 × 379,612.24
  4. Step 4: Simplify right side
    573,538.59x = 300,471,415,622.77
  5. Step 5: Solve for x
    x = 300,471,415,622.77/573,538.59
  6. Step 6: Final answer
    x = 523,890.49

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1.5x scale

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.