Home / 918,079.10-1,377,009.09-244,209.72

Finding the Fourth Proportional to 918,079.10, 1,377,009.09 and 244,209.72

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Solution

The fourth proportional to 918,079.10, 1,377,009.09 and 244,209.72 is: 366,285.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,079.10 : 1,377,009.09 = 244,209.72 : x
  2. Step 2: Convert to fraction form
    918,079.10/1,377,009.09 = 244,209.72/x
  3. Step 3: Cross multiply
    918,079.10x = 1,377,009.09 × 244,209.72
  4. Step 4: Simplify right side
    918,079.10x = 336,279,004,306.36
  5. Step 5: Solve for x
    x = 336,279,004,306.36/918,079.10
  6. Step 6: Final answer
    x = 366,285.44

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Double scale
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Similar ratio
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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.