Home / 754,316.53-1,131,510.23-248,921.68

Finding the Fourth Proportional to 754,316.53, 1,131,510.23 and 248,921.68

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Solution

The fourth proportional to 754,316.53, 1,131,510.23 and 248,921.68 is: 373,394.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,316.53 : 1,131,510.23 = 248,921.68 : x
  2. Step 2: Convert to fraction form
    754,316.53/1,131,510.23 = 248,921.68/x
  3. Step 3: Cross multiply
    754,316.53x = 1,131,510.23 × 248,921.68
  4. Step 4: Simplify right side
    754,316.53x = 281,657,427,388.79
  5. Step 5: Solve for x
    x = 281,657,427,388.79/754,316.53
  6. Step 6: Final answer
    x = 373,394.21

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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.