Home / 674,908.20-1,012,362.30-609,589.80

Finding the Fourth Proportional to 674,908.20, 1,012,362.30 and 609,589.80

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Solution

The fourth proportional to 674,908.20, 1,012,362.30 and 609,589.80 is: 914,384.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,908.20 : 1,012,362.30 = 609,589.80 : x
  2. Step 2: Convert to fraction form
    674,908.20/1,012,362.30 = 609,589.80/x
  3. Step 3: Cross multiply
    674,908.20x = 1,012,362.30 × 609,589.80
  4. Step 4: Simplify right side
    674,908.20x = 617,125,731,984.54
  5. Step 5: Solve for x
    x = 617,125,731,984.54/674,908.20
  6. Step 6: Final answer
    x = 914,384.70

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Double scale
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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.