Home / 756,554.49-1,044,013.76-412,382.85

Finding the Fourth Proportional to 756,554.49, 1,044,013.76 and 412,382.85

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Solution

The fourth proportional to 756,554.49, 1,044,013.76 and 412,382.85 is: 569,071.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,554.49 : 1,044,013.76 = 412,382.85 : x
  2. Step 2: Convert to fraction form
    756,554.49/1,044,013.76 = 412,382.85/x
  3. Step 3: Cross multiply
    756,554.49x = 1,044,013.76 × 412,382.85
  4. Step 4: Simplify right side
    756,554.49x = 430,533,367,726.10
  5. Step 5: Solve for x
    x = 430,533,367,726.10/756,554.49
  6. Step 6: Final answer
    x = 569,071.20

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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.