Home / 814,230.10-1,221,345.15-562,287.70

Finding the Fourth Proportional to 814,230.10, 1,221,345.15 and 562,287.70

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Solution

The fourth proportional to 814,230.10, 1,221,345.15 and 562,287.70 is: 843,431.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,230.10 : 1,221,345.15 = 562,287.70 : x
  2. Step 2: Convert to fraction form
    814,230.10/1,221,345.15 = 562,287.70/x
  3. Step 3: Cross multiply
    814,230.10x = 1,221,345.15 × 562,287.70
  4. Step 4: Simplify right side
    814,230.10x = 686,747,355,299.66
  5. Step 5: Solve for x
    x = 686,747,355,299.66/814,230.10
  6. Step 6: Final answer
    x = 843,431.55

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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.