Home / 748,421.76-1,122,668.77-208,677

Finding the Fourth Proportional to 748,421.76, 1,122,668.77 and 208,677

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Solution

The fourth proportional to 748,421.76, 1,122,668.77 and 208,677 is: 313,025.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,421.76 : 1,122,668.77 = 208,677 : x
  2. Step 2: Convert to fraction form
    748,421.76/1,122,668.77 = 208,677/x
  3. Step 3: Cross multiply
    748,421.76x = 1,122,668.77 × 208,677
  4. Step 4: Simplify right side
    748,421.76x = 234,275,150,917.29
  5. Step 5: Solve for x
    x = 234,275,150,917.29/748,421.76
  6. Step 6: Final answer
    x = 313,025.57

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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.