Home / 756,625.38-1,044,164.89-417,115.50

Finding the Fourth Proportional to 756,625.38, 1,044,164.89 and 417,115.50

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Solution

The fourth proportional to 756,625.38, 1,044,164.89 and 417,115.50 is: 575,631.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,625.38 : 1,044,164.89 = 417,115.50 : x
  2. Step 2: Convert to fraction form
    756,625.38/1,044,164.89 = 417,115.50/x
  3. Step 3: Cross multiply
    756,625.38x = 1,044,164.89 × 417,115.50
  4. Step 4: Simplify right side
    756,625.38x = 435,537,360,174.80
  5. Step 5: Solve for x
    x = 435,537,360,174.80/756,625.38
  6. Step 6: Final answer
    x = 575,631.44

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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.