Home / 693,337.40-1,040,006.13-453,652.68

Finding the Fourth Proportional to 693,337.40, 1,040,006.13 and 453,652.68

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Solution

The fourth proportional to 693,337.40, 1,040,006.13 and 453,652.68 is: 680,479.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,337.40 : 1,040,006.13 = 453,652.68 : x
  2. Step 2: Convert to fraction form
    693,337.40/1,040,006.13 = 453,652.68/x
  3. Step 3: Cross multiply
    693,337.40x = 1,040,006.13 × 453,652.68
  4. Step 4: Simplify right side
    693,337.40x = 471,801,564,066.50
  5. Step 5: Solve for x
    x = 471,801,564,066.50/693,337.40
  6. Step 6: Final answer
    x = 680,479.04

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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.