Home / 755,885.03-1,043,122.76-411,719.88

Finding the Fourth Proportional to 755,885.03, 1,043,122.76 and 411,719.88

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Solution

The fourth proportional to 755,885.03, 1,043,122.76 and 411,719.88 is: 568,174.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,885.03 : 1,043,122.76 = 411,719.88 : x
  2. Step 2: Convert to fraction form
    755,885.03/1,043,122.76 = 411,719.88/x
  3. Step 3: Cross multiply
    755,885.03x = 1,043,122.76 × 411,719.88
  4. Step 4: Simplify right side
    755,885.03x = 429,474,380,969.53
  5. Step 5: Solve for x
    x = 429,474,380,969.53/755,885.03
  6. Step 6: Final answer
    x = 568,174.22

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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.