Home / 756,651.72-1,044,127.05-425,557.23

Finding the Fourth Proportional to 756,651.72, 1,044,127.05 and 425,557.23

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Solution

The fourth proportional to 756,651.72, 1,044,127.05 and 425,557.23 is: 587,239.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,651.72 : 1,044,127.05 = 425,557.23 : x
  2. Step 2: Convert to fraction form
    756,651.72/1,044,127.05 = 425,557.23/x
  3. Step 3: Cross multiply
    756,651.72x = 1,044,127.05 × 425,557.23
  4. Step 4: Simplify right side
    756,651.72x = 444,335,815,166.07
  5. Step 5: Solve for x
    x = 444,335,815,166.07/756,651.72
  6. Step 6: Final answer
    x = 587,239.55

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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.