Home / 755,270.08-1,042,300.22-411,089.38

Finding the Fourth Proportional to 755,270.08, 1,042,300.22 and 411,089.38

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Solution

The fourth proportional to 755,270.08, 1,042,300.22 and 411,089.38 is: 567,318.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,270.08 : 1,042,300.22 = 411,089.38 : x
  2. Step 2: Convert to fraction form
    755,270.08/1,042,300.22 = 411,089.38/x
  3. Step 3: Cross multiply
    755,270.08x = 1,042,300.22 × 411,089.38
  4. Step 4: Simplify right side
    755,270.08x = 428,478,551,213.66
  5. Step 5: Solve for x
    x = 428,478,551,213.66/755,270.08
  6. Step 6: Final answer
    x = 567,318.32

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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.