Home / 766,519.02-1,058,234.70-508,745.55

Finding the Fourth Proportional to 766,519.02, 1,058,234.70 and 508,745.55

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Solution

The fourth proportional to 766,519.02, 1,058,234.70 and 508,745.55 is: 702,359.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,519.02 : 1,058,234.70 = 508,745.55 : x
  2. Step 2: Convert to fraction form
    766,519.02/1,058,234.70 = 508,745.55/x
  3. Step 3: Cross multiply
    766,519.02x = 1,058,234.70 × 508,745.55
  4. Step 4: Simplify right side
    766,519.02x = 538,372,194,480.59
  5. Step 5: Solve for x
    x = 538,372,194,480.59/766,519.02
  6. Step 6: Final answer
    x = 702,359.86

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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.