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Finding the Fourth Proportional to 608,909.60, 914,113.20 and 384,269.60

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Solution

The fourth proportional to 608,909.60, 914,113.20 and 384,269.60 is: 576,876.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,909.60 : 914,113.20 = 384,269.60 : x
  2. Step 2: Convert to fraction form
    608,909.60/914,113.20 = 384,269.60/x
  3. Step 3: Cross multiply
    608,909.60x = 914,113.20 × 384,269.60
  4. Step 4: Simplify right side
    608,909.60x = 351,265,913,718.72
  5. Step 5: Solve for x
    x = 351,265,913,718.72/608,909.60
  6. Step 6: Final answer
    x = 576,876.95

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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.