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Finding the Fourth Proportional to 609,779.04, 915,230.02 and 310,473.50

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Solution

The fourth proportional to 609,779.04, 915,230.02 and 310,473.50 is: 465,996.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,779.04 : 915,230.02 = 310,473.50 : x
  2. Step 2: Convert to fraction form
    609,779.04/915,230.02 = 310,473.50/x
  3. Step 3: Cross multiply
    609,779.04x = 915,230.02 × 310,473.50
  4. Step 4: Simplify right side
    609,779.04x = 284,154,667,614.47
  5. Step 5: Solve for x
    x = 284,154,667,614.47/609,779.04
  6. Step 6: Final answer
    x = 465,996.12

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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.