Home / 709,837.81-1,063,059.30-409,407.61

Finding the Fourth Proportional to 709,837.81, 1,063,059.30 and 409,407.61

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Solution

The fourth proportional to 709,837.81, 1,063,059.30 and 409,407.61 is: 613,132.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,837.81 : 1,063,059.30 = 409,407.61 : x
  2. Step 2: Convert to fraction form
    709,837.81/1,063,059.30 = 409,407.61/x
  3. Step 3: Cross multiply
    709,837.81x = 1,063,059.30 × 409,407.61
  4. Step 4: Simplify right side
    709,837.81x = 435,224,567,301.27
  5. Step 5: Solve for x
    x = 435,224,567,301.27/709,837.81
  6. Step 6: Final answer
    x = 613,132.41

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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.