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Finding the Fourth Proportional to 684,348.39, 944,086.88 and 442,708.89

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Solution

The fourth proportional to 684,348.39, 944,086.88 and 442,708.89 is: 610,735.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,348.39 : 944,086.88 = 442,708.89 : x
  2. Step 2: Convert to fraction form
    684,348.39/944,086.88 = 442,708.89/x
  3. Step 3: Cross multiply
    684,348.39x = 944,086.88 × 442,708.89
  4. Step 4: Simplify right side
    684,348.39x = 417,955,649,784.57
  5. Step 5: Solve for x
    x = 417,955,649,784.57/684,348.39
  6. Step 6: Final answer
    x = 610,735.20

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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.