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Finding the Fourth Proportional to 608,610.60, 912,138.30 and 442,204.20

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Solution

The fourth proportional to 608,610.60, 912,138.30 and 442,204.20 is: 662,741.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,610.60 : 912,138.30 = 442,204.20 : x
  2. Step 2: Convert to fraction form
    608,610.60/912,138.30 = 442,204.20/x
  3. Step 3: Cross multiply
    608,610.60x = 912,138.30 × 442,204.20
  4. Step 4: Simplify right side
    608,610.60x = 403,351,387,240.86
  5. Step 5: Solve for x
    x = 403,351,387,240.86/608,610.60
  6. Step 6: Final answer
    x = 662,741.31

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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.