Home / 674,557.20-1,011,337.65-408,259.17

Finding the Fourth Proportional to 674,557.20, 1,011,337.65 and 408,259.17

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Solution

The fourth proportional to 674,557.20, 1,011,337.65 and 408,259.17 is: 612,087.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,557.20 : 1,011,337.65 = 408,259.17 : x
  2. Step 2: Convert to fraction form
    674,557.20/1,011,337.65 = 408,259.17/x
  3. Step 3: Cross multiply
    674,557.20x = 1,011,337.65 × 408,259.17
  4. Step 4: Simplify right side
    674,557.20x = 412,887,869,578.75
  5. Step 5: Solve for x
    x = 412,887,869,578.75/674,557.20
  6. Step 6: Final answer
    x = 612,087.26

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1.5x scale

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.