Home / 918,085.10-1,377,018.09-244,215.72

Finding the Fourth Proportional to 918,085.10, 1,377,018.09 and 244,215.72

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Solution

The fourth proportional to 918,085.10, 1,377,018.09 and 244,215.72 is: 366,294.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,085.10 : 1,377,018.09 = 244,215.72 : x
  2. Step 2: Convert to fraction form
    918,085.10/1,377,018.09 = 244,215.72/x
  3. Step 3: Cross multiply
    918,085.10x = 1,377,018.09 × 244,215.72
  4. Step 4: Simplify right side
    918,085.10x = 336,289,464,302.38
  5. Step 5: Solve for x
    x = 336,289,464,302.38/918,085.10
  6. Step 6: Final answer
    x = 366,294.44

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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.