Home / 755,890.09-1,043,119.38-411,724.93

Finding the Fourth Proportional to 755,890.09, 1,043,119.38 and 411,724.93

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Solution

The fourth proportional to 755,890.09, 1,043,119.38 and 411,724.93 is: 568,175.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,890.09 : 1,043,119.38 = 411,724.93 : x
  2. Step 2: Convert to fraction form
    755,890.09/1,043,119.38 = 411,724.93/x
  3. Step 3: Cross multiply
    755,890.09x = 1,043,119.38 × 411,724.93
  4. Step 4: Simplify right side
    755,890.09x = 429,478,253,712.14
  5. Step 5: Solve for x
    x = 429,478,253,712.14/755,890.09
  6. Step 6: Final answer
    x = 568,175.53

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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.