Home / 947,847.20-1,421,770.56-379,484

Finding the Fourth Proportional to 947,847.20, 1,421,770.56 and 379,484

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Solution

The fourth proportional to 947,847.20, 1,421,770.56 and 379,484 is: 569,225.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,847.20 : 1,421,770.56 = 379,484 : x
  2. Step 2: Convert to fraction form
    947,847.20/1,421,770.56 = 379,484/x
  3. Step 3: Cross multiply
    947,847.20x = 1,421,770.56 × 379,484
  4. Step 4: Simplify right side
    947,847.20x = 539,539,179,191.04
  5. Step 5: Solve for x
    x = 539,539,179,191.04/947,847.20
  6. Step 6: Final answer
    x = 569,225.90

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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.