Home / 960,463.32-1,440,643.04-487,136.38

Finding the Fourth Proportional to 960,463.32, 1,440,643.04 and 487,136.38

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Solution

The fourth proportional to 960,463.32, 1,440,643.04 and 487,136.38 is: 730,678.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    960,463.32 : 1,440,643.04 = 487,136.38 : x
  2. Step 2: Convert to fraction form
    960,463.32/1,440,643.04 = 487,136.38/x
  3. Step 3: Cross multiply
    960,463.32x = 1,440,643.04 × 487,136.38
  4. Step 4: Simplify right side
    960,463.32x = 701,789,635,377.80
  5. Step 5: Solve for x
    x = 701,789,635,377.80/960,463.32
  6. Step 6: Final answer
    x = 730,678.23

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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.