Home / 755,615.30-1,133,422.95-657,200.30

Finding the Fourth Proportional to 755,615.30, 1,133,422.95 and 657,200.30

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Solution

The fourth proportional to 755,615.30, 1,133,422.95 and 657,200.30 is: 985,800.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,615.30 : 1,133,422.95 = 657,200.30 : x
  2. Step 2: Convert to fraction form
    755,615.30/1,133,422.95 = 657,200.30/x
  3. Step 3: Cross multiply
    755,615.30x = 1,133,422.95 × 657,200.30
  4. Step 4: Simplify right side
    755,615.30x = 744,885,902,766.89
  5. Step 5: Solve for x
    x = 744,885,902,766.89/755,615.30
  6. Step 6: Final answer
    x = 985,800.45

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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.