Home / 766,432.37-1,057,626.07-460,326.86

Finding the Fourth Proportional to 766,432.37, 1,057,626.07 and 460,326.86

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Solution

The fourth proportional to 766,432.37, 1,057,626.07 and 460,326.86 is: 635,220.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,432.37 : 1,057,626.07 = 460,326.86 : x
  2. Step 2: Convert to fraction form
    766,432.37/1,057,626.07 = 460,326.86/x
  3. Step 3: Cross multiply
    766,432.37x = 1,057,626.07 × 460,326.86
  4. Step 4: Simplify right side
    766,432.37x = 486,853,685,555.61
  5. Step 5: Solve for x
    x = 486,853,685,555.61/766,432.37
  6. Step 6: Final answer
    x = 635,220.68

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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.