Home / 709,648.97-1,064,785.91-372,611.21

Finding the Fourth Proportional to 709,648.97, 1,064,785.91 and 372,611.21

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Solution

The fourth proportional to 709,648.97, 1,064,785.91 and 372,611.21 is: 559,080.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,648.97 : 1,064,785.91 = 372,611.21 : x
  2. Step 2: Convert to fraction form
    709,648.97/1,064,785.91 = 372,611.21/x
  3. Step 3: Cross multiply
    709,648.97x = 1,064,785.91 × 372,611.21
  4. Step 4: Simplify right side
    709,648.97x = 396,751,159,129.07
  5. Step 5: Solve for x
    x = 396,751,159,129.07/709,648.97
  6. Step 6: Final answer
    x = 559,080.87

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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.