Home / 748,358.40-1,122,318.90-268,530.60

Finding the Fourth Proportional to 748,358.40, 1,122,318.90 and 268,530.60

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Solution

The fourth proportional to 748,358.40, 1,122,318.90 and 268,530.60 is: 402,717.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,358.40 : 1,122,318.90 = 268,530.60 : x
  2. Step 2: Convert to fraction form
    748,358.40/1,122,318.90 = 268,530.60/x
  3. Step 3: Cross multiply
    748,358.40x = 1,122,318.90 × 268,530.60
  4. Step 4: Simplify right side
    748,358.40x = 301,376,967,608.34
  5. Step 5: Solve for x
    x = 301,376,967,608.34/748,358.40
  6. Step 6: Final answer
    x = 402,717.42

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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.