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Finding the Fourth Proportional to 432,959.70, 650,314.35 and 418,088.10

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Solution

The fourth proportional to 432,959.70, 650,314.35 and 418,088.10 is: 627,976.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,959.70 : 650,314.35 = 418,088.10 : x
  2. Step 2: Convert to fraction form
    432,959.70/650,314.35 = 418,088.10/x
  3. Step 3: Cross multiply
    432,959.70x = 650,314.35 × 418,088.10
  4. Step 4: Simplify right side
    432,959.70x = 271,888,690,994.24
  5. Step 5: Solve for x
    x = 271,888,690,994.24/432,959.70
  6. Step 6: Final answer
    x = 627,976.90

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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.