Home / 960,640.89-1,440,909.42-487,314.01

Finding the Fourth Proportional to 960,640.89, 1,440,909.42 and 487,314.01

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Solution

The fourth proportional to 960,640.89, 1,440,909.42 and 487,314.01 is: 730,944.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    960,640.89 : 1,440,909.42 = 487,314.01 : x
  2. Step 2: Convert to fraction form
    960,640.89/1,440,909.42 = 487,314.01/x
  3. Step 3: Cross multiply
    960,640.89x = 1,440,909.42 × 487,314.01
  4. Step 4: Simplify right side
    960,640.89x = 702,175,347,506.97
  5. Step 5: Solve for x
    x = 702,175,347,506.97/960,640.89
  6. Step 6: Final answer
    x = 730,944.68

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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.