Home / 918,233.72-1,377,375.23-287,147.53

Finding the Fourth Proportional to 918,233.72, 1,377,375.23 and 287,147.53

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Solution

The fourth proportional to 918,233.72, 1,377,375.23 and 287,147.53 is: 430,729.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,233.72 : 1,377,375.23 = 287,147.53 : x
  2. Step 2: Convert to fraction form
    918,233.72/1,377,375.23 = 287,147.53/x
  3. Step 3: Cross multiply
    918,233.72x = 1,377,375.23 × 287,147.53
  4. Step 4: Simplify right side
    918,233.72x = 395,509,897,617.27
  5. Step 5: Solve for x
    x = 395,509,897,617.27/918,233.72
  6. Step 6: Final answer
    x = 430,729.01

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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.