Home / 684,204.20-944,248.02-397,723.40

Finding the Fourth Proportional to 684,204.20, 944,248.02 and 397,723.40

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Solution

The fourth proportional to 684,204.20, 944,248.02 and 397,723.40 is: 548,885.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,204.20 : 944,248.02 = 397,723.40 : x
  2. Step 2: Convert to fraction form
    684,204.20/944,248.02 = 397,723.40/x
  3. Step 3: Cross multiply
    684,204.20x = 944,248.02 × 397,723.40
  4. Step 4: Simplify right side
    684,204.20x = 375,549,532,957.67
  5. Step 5: Solve for x
    x = 375,549,532,957.67/684,204.20
  6. Step 6: Final answer
    x = 548,885.16

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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.