Home / 754,421.56-1,131,521.57-248,999.07

Finding the Fourth Proportional to 754,421.56, 1,131,521.57 and 248,999.07

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Solution

The fourth proportional to 754,421.56, 1,131,521.57 and 248,999.07 is: 373,462.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,421.56 : 1,131,521.57 = 248,999.07 : x
  2. Step 2: Convert to fraction form
    754,421.56/1,131,521.57 = 248,999.07/x
  3. Step 3: Cross multiply
    754,421.56x = 1,131,521.57 × 248,999.07
  4. Step 4: Simplify right side
    754,421.56x = 281,747,822,546.90
  5. Step 5: Solve for x
    x = 281,747,822,546.90/754,421.56
  6. Step 6: Final answer
    x = 373,462.05

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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.