Home / 755,228.34-1,042,240.56-411,076.74

Finding the Fourth Proportional to 755,228.34, 1,042,240.56 and 411,076.74

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Solution

The fourth proportional to 755,228.34, 1,042,240.56 and 411,076.74 is: 567,299.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,228.34 : 1,042,240.56 = 411,076.74 : x
  2. Step 2: Convert to fraction form
    755,228.34/1,042,240.56 = 411,076.74/x
  3. Step 3: Cross multiply
    755,228.34x = 1,042,240.56 × 411,076.74
  4. Step 4: Simplify right side
    755,228.34x = 428,440,851,700.57
  5. Step 5: Solve for x
    x = 428,440,851,700.57/755,228.34
  6. Step 6: Final answer
    x = 567,299.75

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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.