Home / 709,568.10-1,064,663.79-372,530.46

Finding the Fourth Proportional to 709,568.10, 1,064,663.79 and 372,530.46

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Solution

The fourth proportional to 709,568.10, 1,064,663.79 and 372,530.46 is: 558,959.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,568.10 : 1,064,663.79 = 372,530.46 : x
  2. Step 2: Convert to fraction form
    709,568.10/1,064,663.79 = 372,530.46/x
  3. Step 3: Cross multiply
    709,568.10x = 1,064,663.79 × 372,530.46
  4. Step 4: Simplify right side
    709,568.10x = 396,619,691,434.04
  5. Step 5: Solve for x
    x = 396,619,691,434.04/709,568.10
  6. Step 6: Final answer
    x = 558,959.30

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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.