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Finding the Fourth Proportional to 359,769.60, 539,058.96 and 322,683.12

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Solution

The fourth proportional to 359,769.60, 539,058.96 and 322,683.12 is: 483,490.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,769.60 : 539,058.96 = 322,683.12 : x
  2. Step 2: Convert to fraction form
    359,769.60/539,058.96 = 322,683.12/x
  3. Step 3: Cross multiply
    359,769.60x = 539,058.96 × 322,683.12
  4. Step 4: Simplify right side
    359,769.60x = 173,945,227,076.76
  5. Step 5: Solve for x
    x = 173,945,227,076.76/359,769.60
  6. Step 6: Final answer
    x = 483,490.62

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1.5x scale

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.