Home / 997,261.92-1,496,738.40-398,645.76

Finding the Fourth Proportional to 997,261.92, 1,496,738.40 and 398,645.76

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Solution

The fourth proportional to 997,261.92, 1,496,738.40 and 398,645.76 is: 598,306.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,261.92 : 1,496,738.40 = 398,645.76 : x
  2. Step 2: Convert to fraction form
    997,261.92/1,496,738.40 = 398,645.76/x
  3. Step 3: Cross multiply
    997,261.92x = 1,496,738.40 × 398,645.76
  4. Step 4: Simplify right side
    997,261.92x = 596,668,416,989.18
  5. Step 5: Solve for x
    x = 596,668,416,989.18/997,261.92
  6. Step 6: Final answer
    x = 598,306.63

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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.