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Finding the Fourth Proportional to 523,572, 784,631.37 and 238,566.03

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Solution

The fourth proportional to 523,572, 784,631.37 and 238,566.03 is: 357,517.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,572 : 784,631.37 = 238,566.03 : x
  2. Step 2: Convert to fraction form
    523,572/784,631.37 = 238,566.03/x
  3. Step 3: Cross multiply
    523,572x = 784,631.37 × 238,566.03
  4. Step 4: Simplify right side
    523,572x = 187,186,390,954.36
  5. Step 5: Solve for x
    x = 187,186,390,954.36/523,572
  6. Step 6: Final answer
    x = 357,517.96

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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.