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Finding the Fourth Proportional to 684,248.09, 944,238.51 and 374,157.90

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Solution

The fourth proportional to 684,248.09, 944,238.51 and 374,157.90 is: 516,324.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,248.09 : 944,238.51 = 374,157.90 : x
  2. Step 2: Convert to fraction form
    684,248.09/944,238.51 = 374,157.90/x
  3. Step 3: Cross multiply
    684,248.09x = 944,238.51 × 374,157.90
  4. Step 4: Simplify right side
    684,248.09x = 353,294,298,000.73
  5. Step 5: Solve for x
    x = 353,294,298,000.73/684,248.09
  6. Step 6: Final answer
    x = 516,324.86

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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.