Home / 960,864.60-1,440,087.30-487,680.60

Finding the Fourth Proportional to 960,864.60, 1,440,087.30 and 487,680.60

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Solution

The fourth proportional to 960,864.60, 1,440,087.30 and 487,680.60 is: 730,906.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    960,864.60 : 1,440,087.30 = 487,680.60 : x
  2. Step 2: Convert to fraction form
    960,864.60/1,440,087.30 = 487,680.60/x
  3. Step 3: Cross multiply
    960,864.60x = 1,440,087.30 × 487,680.60
  4. Step 4: Simplify right side
    960,864.60x = 702,302,638,516.38
  5. Step 5: Solve for x
    x = 702,302,638,516.38/960,864.60
  6. Step 6: Final answer
    x = 730,906.98

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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.