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Finding the Fourth Proportional to 684,657.44, 944,508.90 and 443,017.96

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Solution

The fourth proportional to 684,657.44, 944,508.90 and 443,017.96 is: 611,158.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,657.44 : 944,508.90 = 443,017.96 : x
  2. Step 2: Convert to fraction form
    684,657.44/944,508.90 = 443,017.96/x
  3. Step 3: Cross multiply
    684,657.44x = 944,508.90 × 443,017.96
  4. Step 4: Simplify right side
    684,657.44x = 418,434,406,079.84
  5. Step 5: Solve for x
    x = 418,434,406,079.84/684,657.44
  6. Step 6: Final answer
    x = 611,158.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.