Home / 880,118.90-1,321,029.75-425,029.11

Finding the Fourth Proportional to 880,118.90, 1,321,029.75 and 425,029.11

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Solution

The fourth proportional to 880,118.90, 1,321,029.75 and 425,029.11 is: 637,954.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,118.90 : 1,321,029.75 = 425,029.11 : x
  2. Step 2: Convert to fraction form
    880,118.90/1,321,029.75 = 425,029.11/x
  3. Step 3: Cross multiply
    880,118.90x = 1,321,029.75 × 425,029.11
  4. Step 4: Simplify right side
    880,118.90x = 561,476,098,926.02
  5. Step 5: Solve for x
    x = 561,476,098,926.02/880,118.90
  6. Step 6: Final answer
    x = 637,954.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.