Home / 766,718.73-1,058,252.15-476,549.44

Finding the Fourth Proportional to 766,718.73, 1,058,252.15 and 476,549.44

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Solution

The fourth proportional to 766,718.73, 1,058,252.15 and 476,549.44 is: 657,750.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,718.73 : 1,058,252.15 = 476,549.44 : x
  2. Step 2: Convert to fraction form
    766,718.73/1,058,252.15 = 476,549.44/x
  3. Step 3: Cross multiply
    766,718.73x = 1,058,252.15 × 476,549.44
  4. Step 4: Simplify right side
    766,718.73x = 504,309,467,443.47
  5. Step 5: Solve for x
    x = 504,309,467,443.47/766,718.73
  6. Step 6: Final answer
    x = 657,750.29

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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.