Home / 888,910.76-1,226,700.10-481,012.60

Finding the Fourth Proportional to 888,910.76, 1,226,700.10 and 481,012.60

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Solution

The fourth proportional to 888,910.76, 1,226,700.10 and 481,012.60 is: 663,799.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,910.76 : 1,226,700.10 = 481,012.60 : x
  2. Step 2: Convert to fraction form
    888,910.76/1,226,700.10 = 481,012.60/x
  3. Step 3: Cross multiply
    888,910.76x = 1,226,700.10 × 481,012.60
  4. Step 4: Simplify right side
    888,910.76x = 590,058,204,521.26
  5. Step 5: Solve for x
    x = 590,058,204,521.26/888,910.76
  6. Step 6: Final answer
    x = 663,799.15

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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.