Home / 960,463.70-1,440,643.60-487,136.76

Finding the Fourth Proportional to 960,463.70, 1,440,643.60 and 487,136.76

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Solution

The fourth proportional to 960,463.70, 1,440,643.60 and 487,136.76 is: 730,678.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    960,463.70 : 1,440,643.60 = 487,136.76 : x
  2. Step 2: Convert to fraction form
    960,463.70/1,440,643.60 = 487,136.76/x
  3. Step 3: Cross multiply
    960,463.70x = 1,440,643.60 × 487,136.76
  4. Step 4: Simplify right side
    960,463.70x = 701,790,455,618.74
  5. Step 5: Solve for x
    x = 701,790,455,618.74/960,463.70
  6. Step 6: Final answer
    x = 730,678.79

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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.