Home / 674,244.30-1,011,366.45-407,867.70

Finding the Fourth Proportional to 674,244.30, 1,011,366.45 and 407,867.70

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Solution

The fourth proportional to 674,244.30, 1,011,366.45 and 407,867.70 is: 611,801.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,244.30 : 1,011,366.45 = 407,867.70 : x
  2. Step 2: Convert to fraction form
    674,244.30/1,011,366.45 = 407,867.70/x
  3. Step 3: Cross multiply
    674,244.30x = 1,011,366.45 × 407,867.70
  4. Step 4: Simplify right side
    674,244.30x = 412,503,707,818.67
  5. Step 5: Solve for x
    x = 412,503,707,818.67/674,244.30
  6. Step 6: Final answer
    x = 611,801.55

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Similar ratio
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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.