Home / 690,481.76-1,034,667.60-465,008.48

Finding the Fourth Proportional to 690,481.76, 1,034,667.60 and 465,008.48

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Solution

The fourth proportional to 690,481.76, 1,034,667.60 and 465,008.48 is: 696,802.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,481.76 : 1,034,667.60 = 465,008.48 : x
  2. Step 2: Convert to fraction form
    690,481.76/1,034,667.60 = 465,008.48/x
  3. Step 3: Cross multiply
    690,481.76x = 1,034,667.60 × 465,008.48
  4. Step 4: Simplify right side
    690,481.76x = 481,129,207,981.25
  5. Step 5: Solve for x
    x = 481,129,207,981.25/690,481.76
  6. Step 6: Final answer
    x = 696,802.20

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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.