Home / 755,716.20-1,042,872.72-411,558.14

Finding the Fourth Proportional to 755,716.20, 1,042,872.72 and 411,558.14

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Solution

The fourth proportional to 755,716.20, 1,042,872.72 and 411,558.14 is: 567,941.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,716.20 : 1,042,872.72 = 411,558.14 : x
  2. Step 2: Convert to fraction form
    755,716.20/1,042,872.72 = 411,558.14/x
  3. Step 3: Cross multiply
    755,716.20x = 1,042,872.72 × 411,558.14
  4. Step 4: Simplify right side
    755,716.20x = 429,202,756,899.94
  5. Step 5: Solve for x
    x = 429,202,756,899.94/755,716.20
  6. Step 6: Final answer
    x = 567,941.72

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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.