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Finding the Fourth Proportional to 684,660.28, 944,825.70 and 382,854.28

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Solution

The fourth proportional to 684,660.28, 944,825.70 and 382,854.28 is: 528,335.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,660.28 : 944,825.70 = 382,854.28 : x
  2. Step 2: Convert to fraction form
    684,660.28/944,825.70 = 382,854.28/x
  3. Step 3: Cross multiply
    684,660.28x = 944,825.70 × 382,854.28
  4. Step 4: Simplify right side
    684,660.28x = 361,730,563,099.00
  5. Step 5: Solve for x
    x = 361,730,563,099.00/684,660.28
  6. Step 6: Final answer
    x = 528,335.84

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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.