Home / 728,570.70-1,092,856.05-462,850.20

Finding the Fourth Proportional to 728,570.70, 1,092,856.05 and 462,850.20

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Solution

The fourth proportional to 728,570.70, 1,092,856.05 and 462,850.20 is: 694,275.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,570.70 : 1,092,856.05 = 462,850.20 : x
  2. Step 2: Convert to fraction form
    728,570.70/1,092,856.05 = 462,850.20/x
  3. Step 3: Cross multiply
    728,570.70x = 1,092,856.05 × 462,850.20
  4. Step 4: Simplify right side
    728,570.70x = 505,828,641,313.71
  5. Step 5: Solve for x
    x = 505,828,641,313.71/728,570.70
  6. Step 6: Final answer
    x = 694,275.30

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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.