Home / 766,432.87-1,057,626.76-460,327.36

Finding the Fourth Proportional to 766,432.87, 1,057,626.76 and 460,327.36

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Solution

The fourth proportional to 766,432.87, 1,057,626.76 and 460,327.36 is: 635,221.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,432.87 : 1,057,626.76 = 460,327.36 : x
  2. Step 2: Convert to fraction form
    766,432.87/1,057,626.76 = 460,327.36/x
  3. Step 3: Cross multiply
    766,432.87x = 1,057,626.76 × 460,327.36
  4. Step 4: Simplify right side
    766,432.87x = 486,854,531,994.52
  5. Step 5: Solve for x
    x = 486,854,531,994.52/766,432.87
  6. Step 6: Final answer
    x = 635,221.37

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.