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Finding the Fourth Proportional to 684,301.64, 944,306.52 and 374,198.48

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Solution

The fourth proportional to 684,301.64, 944,306.52 and 374,198.48 is: 516,377.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,301.64 : 944,306.52 = 374,198.48 : x
  2. Step 2: Convert to fraction form
    684,301.64/944,306.52 = 374,198.48/x
  3. Step 3: Cross multiply
    684,301.64x = 944,306.52 × 374,198.48
  4. Step 4: Simplify right side
    684,301.64x = 353,358,064,438.09
  5. Step 5: Solve for x
    x = 353,358,064,438.09/684,301.64
  6. Step 6: Final answer
    x = 516,377.64

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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.