Home / 842,728.66-1,162,680.66-479,895.28

Finding the Fourth Proportional to 842,728.66, 1,162,680.66 and 479,895.28

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Solution

The fourth proportional to 842,728.66, 1,162,680.66 and 479,895.28 is: 662,093.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,728.66 : 1,162,680.66 = 479,895.28 : x
  2. Step 2: Convert to fraction form
    842,728.66/1,162,680.66 = 479,895.28/x
  3. Step 3: Cross multiply
    842,728.66x = 1,162,680.66 × 479,895.28
  4. Step 4: Simplify right side
    842,728.66x = 557,964,960,881.29
  5. Step 5: Solve for x
    x = 557,964,960,881.29/842,728.66
  6. Step 6: Final answer
    x = 662,093.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.