Home / 702,101.56-1,053,743.12-657,814.80

Finding the Fourth Proportional to 702,101.56, 1,053,743.12 and 657,814.80

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Solution

The fourth proportional to 702,101.56, 1,053,743.12 and 657,814.80 is: 987,275.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,101.56 : 1,053,743.12 = 657,814.80 : x
  2. Step 2: Convert to fraction form
    702,101.56/1,053,743.12 = 657,814.80/x
  3. Step 3: Cross multiply
    702,101.56x = 1,053,743.12 × 657,814.80
  4. Step 4: Simplify right side
    702,101.56x = 693,167,819,734.18
  5. Step 5: Solve for x
    x = 693,167,819,734.18/702,101.56
  6. Step 6: Final answer
    x = 987,275.72

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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.