Home / 684,200.70-1,026,301.05-460,251.90

Finding the Fourth Proportional to 684,200.70, 1,026,301.05 and 460,251.90

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Solution

The fourth proportional to 684,200.70, 1,026,301.05 and 460,251.90 is: 690,377.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,200.70 : 1,026,301.05 = 460,251.90 : x
  2. Step 2: Convert to fraction form
    684,200.70/1,026,301.05 = 460,251.90/x
  3. Step 3: Cross multiply
    684,200.70x = 1,026,301.05 × 460,251.90
  4. Step 4: Simplify right side
    684,200.70x = 472,357,008,234.50
  5. Step 5: Solve for x
    x = 472,357,008,234.50/684,200.70
  6. Step 6: Final answer
    x = 690,377.85

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Double scale
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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.