Home / 766,443.26-1,057,612.42-472,046.06

Finding the Fourth Proportional to 766,443.26, 1,057,612.42 and 472,046.06

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Solution

The fourth proportional to 766,443.26, 1,057,612.42 and 472,046.06 is: 651,374.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,443.26 : 1,057,612.42 = 472,046.06 : x
  2. Step 2: Convert to fraction form
    766,443.26/1,057,612.42 = 472,046.06/x
  3. Step 3: Cross multiply
    766,443.26x = 1,057,612.42 × 472,046.06
  4. Step 4: Simplify right side
    766,443.26x = 499,241,775,868.07
  5. Step 5: Solve for x
    x = 499,241,775,868.07/766,443.26
  6. Step 6: Final answer
    x = 651,374.74

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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.