Home / 960,908.10-1,440,152.55-487,724.10

Finding the Fourth Proportional to 960,908.10, 1,440,152.55 and 487,724.10

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Solution

The fourth proportional to 960,908.10, 1,440,152.55 and 487,724.10 is: 730,972.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    960,908.10 : 1,440,152.55 = 487,724.10 : x
  2. Step 2: Convert to fraction form
    960,908.10/1,440,152.55 = 487,724.10/x
  3. Step 3: Cross multiply
    960,908.10x = 1,440,152.55 × 487,724.10
  4. Step 4: Simplify right side
    960,908.10x = 702,397,106,311.46
  5. Step 5: Solve for x
    x = 702,397,106,311.46/960,908.10
  6. Step 6: Final answer
    x = 730,972.20

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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.