Home / 680,983.59-1,021,472.65-207,667.58

Finding the Fourth Proportional to 680,983.59, 1,021,472.65 and 207,667.58

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Solution

The fourth proportional to 680,983.59, 1,021,472.65 and 207,667.58 is: 311,500.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,983.59 : 1,021,472.65 = 207,667.58 : x
  2. Step 2: Convert to fraction form
    680,983.59/1,021,472.65 = 207,667.58/x
  3. Step 3: Cross multiply
    680,983.59x = 1,021,472.65 × 207,667.58
  4. Step 4: Simplify right side
    680,983.59x = 212,126,752,223.35
  5. Step 5: Solve for x
    x = 212,126,752,223.35/680,983.59
  6. Step 6: Final answer
    x = 311,500.53

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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.