Home / 756,662.88-1,044,201.72-417,143.28

Finding the Fourth Proportional to 756,662.88, 1,044,201.72 and 417,143.28

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Solution

The fourth proportional to 756,662.88, 1,044,201.72 and 417,143.28 is: 575,661.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,662.88 : 1,044,201.72 = 417,143.28 : x
  2. Step 2: Convert to fraction form
    756,662.88/1,044,201.72 = 417,143.28/x
  3. Step 3: Cross multiply
    756,662.88x = 1,044,201.72 × 417,143.28
  4. Step 4: Simplify right side
    756,662.88x = 435,581,730,462.44
  5. Step 5: Solve for x
    x = 435,581,730,462.44/756,662.88
  6. Step 6: Final answer
    x = 575,661.56

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Double scale
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1.5x scale

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.