Home / 750,049.41-1,035,070.92-405,885.30

Finding the Fourth Proportional to 750,049.41, 1,035,070.92 and 405,885.30

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Solution

The fourth proportional to 750,049.41, 1,035,070.92 and 405,885.30 is: 560,123.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,049.41 : 1,035,070.92 = 405,885.30 : x
  2. Step 2: Convert to fraction form
    750,049.41/1,035,070.92 = 405,885.30/x
  3. Step 3: Cross multiply
    750,049.41x = 1,035,070.92 × 405,885.30
  4. Step 4: Simplify right side
    750,049.41x = 420,120,070,885.48
  5. Step 5: Solve for x
    x = 420,120,070,885.48/750,049.41
  6. Step 6: Final answer
    x = 560,123.19

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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.