Home / 756,655.60-1,044,132.40-425,561.11

Finding the Fourth Proportional to 756,655.60, 1,044,132.40 and 425,561.11

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Solution

The fourth proportional to 756,655.60, 1,044,132.40 and 425,561.11 is: 587,244.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,655.60 : 1,044,132.40 = 425,561.11 : x
  2. Step 2: Convert to fraction form
    756,655.60/1,044,132.40 = 425,561.11/x
  3. Step 3: Cross multiply
    756,655.60x = 1,044,132.40 × 425,561.11
  4. Step 4: Simplify right side
    756,655.60x = 444,342,136,846.40
  5. Step 5: Solve for x
    x = 444,342,136,846.40/756,655.60
  6. Step 6: Final answer
    x = 587,244.90

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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.