Home / 667,446.25-1,000,870.02-397,701.50

Finding the Fourth Proportional to 667,446.25, 1,000,870.02 and 397,701.50

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Solution

The fourth proportional to 667,446.25, 1,000,870.02 and 397,701.50 is: 596,373.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,446.25 : 1,000,870.02 = 397,701.50 : x
  2. Step 2: Convert to fraction form
    667,446.25/1,000,870.02 = 397,701.50/x
  3. Step 3: Cross multiply
    667,446.25x = 1,000,870.02 × 397,701.50
  4. Step 4: Simplify right side
    667,446.25x = 398,047,508,259.03
  5. Step 5: Solve for x
    x = 398,047,508,259.03/667,446.25
  6. Step 6: Final answer
    x = 596,373.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.