Home / 666,753.95-1,000,434.54-282,608.09

Finding the Fourth Proportional to 666,753.95, 1,000,434.54 and 282,608.09

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Solution

The fourth proportional to 666,753.95, 1,000,434.54 and 282,608.09 is: 424,040.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,753.95 : 1,000,434.54 = 282,608.09 : x
  2. Step 2: Convert to fraction form
    666,753.95/1,000,434.54 = 282,608.09/x
  3. Step 3: Cross multiply
    666,753.95x = 1,000,434.54 × 282,608.09
  4. Step 4: Simplify right side
    666,753.95x = 282,730,889,517.26
  5. Step 5: Solve for x
    x = 282,730,889,517.26/666,753.95
  6. Step 6: Final answer
    x = 424,040.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.