Home / 674,619.70-1,011,346.35-408,097.30

Finding the Fourth Proportional to 674,619.70, 1,011,346.35 and 408,097.30

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Solution

The fourth proportional to 674,619.70, 1,011,346.35 and 408,097.30 is: 611,793.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,619.70 : 1,011,346.35 = 408,097.30 : x
  2. Step 2: Convert to fraction form
    674,619.70/1,011,346.35 = 408,097.30/x
  3. Step 3: Cross multiply
    674,619.70x = 1,011,346.35 × 408,097.30
  4. Step 4: Simplify right side
    674,619.70x = 412,727,714,799.86
  5. Step 5: Solve for x
    x = 412,727,714,799.86/674,619.70
  6. Step 6: Final answer
    x = 611,793.16

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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.