Home / 820,925.55-1,231,388.33-708,732.45

Finding the Fourth Proportional to 820,925.55, 1,231,388.33 and 708,732.45

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Solution

The fourth proportional to 820,925.55, 1,231,388.33 and 708,732.45 is: 1,063,098.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,925.55 : 1,231,388.33 = 708,732.45 : x
  2. Step 2: Convert to fraction form
    820,925.55/1,231,388.33 = 708,732.45/x
  3. Step 3: Cross multiply
    820,925.55x = 1,231,388.33 × 708,732.45
  4. Step 4: Simplify right side
    820,925.55x = 872,724,864,478.65
  5. Step 5: Solve for x
    x = 872,724,864,478.65/820,925.55
  6. Step 6: Final answer
    x = 1,063,098.68

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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.