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Finding the Fourth Proportional to 523,168.88, 784,554.05 and 309,996.92

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Solution

The fourth proportional to 523,168.88, 784,554.05 and 309,996.92 is: 464,877.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,168.88 : 784,554.05 = 309,996.92 : x
  2. Step 2: Convert to fraction form
    523,168.88/784,554.05 = 309,996.92/x
  3. Step 3: Cross multiply
    523,168.88x = 784,554.05 × 309,996.92
  4. Step 4: Simplify right side
    523,168.88x = 243,209,341,809.90
  5. Step 5: Solve for x
    x = 243,209,341,809.90/523,168.88
  6. Step 6: Final answer
    x = 464,877.31

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Similar ratio
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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.