Home / 960,641.76-1,440,910.67-487,314.84

Finding the Fourth Proportional to 960,641.76, 1,440,910.67 and 487,314.84

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Solution

The fourth proportional to 960,641.76, 1,440,910.67 and 487,314.84 is: 730,945.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    960,641.76 : 1,440,910.67 = 487,314.84 : x
  2. Step 2: Convert to fraction form
    960,641.76/1,440,910.67 = 487,314.84/x
  3. Step 3: Cross multiply
    960,641.76x = 1,440,910.67 × 487,314.84
  4. Step 4: Simplify right side
    960,641.76x = 702,177,150,168.77
  5. Step 5: Solve for x
    x = 702,177,150,168.77/960,641.76
  6. Step 6: Final answer
    x = 730,945.89

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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.