Home / 855,541.10-1,282,868.78-456,074.61

Finding the Fourth Proportional to 855,541.10, 1,282,868.78 and 456,074.61

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Solution

The fourth proportional to 855,541.10, 1,282,868.78 and 456,074.61 is: 683,875.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,541.10 : 1,282,868.78 = 456,074.61 : x
  2. Step 2: Convert to fraction form
    855,541.10/1,282,868.78 = 456,074.61/x
  3. Step 3: Cross multiply
    855,541.10x = 1,282,868.78 × 456,074.61
  4. Step 4: Simplify right side
    855,541.10x = 585,083,876,239.30
  5. Step 5: Solve for x
    x = 585,083,876,239.30/855,541.10
  6. Step 6: Final answer
    x = 683,875.83

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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.