Home / 755,280.88-1,042,287.60-411,118.12

Finding the Fourth Proportional to 755,280.88, 1,042,287.60 and 411,118.12

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Solution

The fourth proportional to 755,280.88, 1,042,287.60 and 411,118.12 is: 567,343.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,280.88 : 1,042,287.60 = 411,118.12 : x
  2. Step 2: Convert to fraction form
    755,280.88/1,042,287.60 = 411,118.12/x
  3. Step 3: Cross multiply
    755,280.88x = 1,042,287.60 × 411,118.12
  4. Step 4: Simplify right side
    755,280.88x = 428,503,318,611.31
  5. Step 5: Solve for x
    x = 428,503,318,611.31/755,280.88
  6. Step 6: Final answer
    x = 567,343.00

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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.