Home / 855,141.62-1,180,095.54-467,957.12

Finding the Fourth Proportional to 855,141.62, 1,180,095.54 and 467,957.12

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Solution

The fourth proportional to 855,141.62, 1,180,095.54 and 467,957.12 is: 645,780.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,141.62 : 1,180,095.54 = 467,957.12 : x
  2. Step 2: Convert to fraction form
    855,141.62/1,180,095.54 = 467,957.12/x
  3. Step 3: Cross multiply
    855,141.62x = 1,180,095.54 × 467,957.12
  4. Step 4: Simplify right side
    855,141.62x = 552,234,110,223.25
  5. Step 5: Solve for x
    x = 552,234,110,223.25/855,141.62
  6. Step 6: Final answer
    x = 645,780.88

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1.5x scale

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.