Home / 709,112.40-1,063,668.60-176,629.20

Finding the Fourth Proportional to 709,112.40, 1,063,668.60 and 176,629.20

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Solution

The fourth proportional to 709,112.40, 1,063,668.60 and 176,629.20 is: 264,943.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,112.40 : 1,063,668.60 = 176,629.20 : x
  2. Step 2: Convert to fraction form
    709,112.40/1,063,668.60 = 176,629.20/x
  3. Step 3: Cross multiply
    709,112.40x = 1,063,668.60 × 176,629.20
  4. Step 4: Simplify right side
    709,112.40x = 187,874,933,883.12
  5. Step 5: Solve for x
    x = 187,874,933,883.12/709,112.40
  6. Step 6: Final answer
    x = 264,943.80

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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.