Home / 649,269.20-972,154.20-509,301.20

Finding the Fourth Proportional to 649,269.20, 972,154.20 and 509,301.20

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Solution

The fourth proportional to 649,269.20, 972,154.20 and 509,301.20 is: 762,579.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,269.20 : 972,154.20 = 509,301.20 : x
  2. Step 2: Convert to fraction form
    649,269.20/972,154.20 = 509,301.20/x
  3. Step 3: Cross multiply
    649,269.20x = 972,154.20 × 509,301.20
  4. Step 4: Simplify right side
    649,269.20x = 495,119,300,645.04
  5. Step 5: Solve for x
    x = 495,119,300,645.04/649,269.20
  6. Step 6: Final answer
    x = 762,579.37

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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.