Home / 960,641.89-1,440,910.92-487,315.01

Finding the Fourth Proportional to 960,641.89, 1,440,910.92 and 487,315.01

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Solution

The fourth proportional to 960,641.89, 1,440,910.92 and 487,315.01 is: 730,946.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    960,641.89 : 1,440,910.92 = 487,315.01 : x
  2. Step 2: Convert to fraction form
    960,641.89/1,440,910.92 = 487,315.01/x
  3. Step 3: Cross multiply
    960,641.89x = 1,440,910.92 × 487,315.01
  4. Step 4: Simplify right side
    960,641.89x = 702,177,519,388.91
  5. Step 5: Solve for x
    x = 702,177,519,388.91/960,641.89
  6. Step 6: Final answer
    x = 730,946.18

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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.