Home / 755,863.72-1,043,070.52-411,691.84

Finding the Fourth Proportional to 755,863.72, 1,043,070.52 and 411,691.84

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Solution

The fourth proportional to 755,863.72, 1,043,070.52 and 411,691.84 is: 568,123.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,863.72 : 1,043,070.52 = 411,691.84 : x
  2. Step 2: Convert to fraction form
    755,863.72/1,043,070.52 = 411,691.84/x
  3. Step 3: Cross multiply
    755,863.72x = 1,043,070.52 × 411,691.84
  4. Step 4: Simplify right side
    755,863.72x = 429,423,621,628.56
  5. Step 5: Solve for x
    x = 429,423,621,628.56/755,863.72
  6. Step 6: Final answer
    x = 568,123.08

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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.