Home / 820,169.70-1,230,254.55-610,217.70

Finding the Fourth Proportional to 820,169.70, 1,230,254.55 and 610,217.70

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Solution

The fourth proportional to 820,169.70, 1,230,254.55 and 610,217.70 is: 915,326.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,169.70 : 1,230,254.55 = 610,217.70 : x
  2. Step 2: Convert to fraction form
    820,169.70/1,230,254.55 = 610,217.70/x
  3. Step 3: Cross multiply
    820,169.70x = 1,230,254.55 × 610,217.70
  4. Step 4: Simplify right side
    820,169.70x = 750,723,101,915.54
  5. Step 5: Solve for x
    x = 750,723,101,915.54/820,169.70
  6. Step 6: Final answer
    x = 915,326.55

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1.5x scale

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.