Home / 888,506.88-1,226,136.04-480,609.91

Finding the Fourth Proportional to 888,506.88, 1,226,136.04 and 480,609.91

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Solution

The fourth proportional to 888,506.88, 1,226,136.04 and 480,609.91 is: 663,239.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,506.88 : 1,226,136.04 = 480,609.91 : x
  2. Step 2: Convert to fraction form
    888,506.88/1,226,136.04 = 480,609.91/x
  3. Step 3: Cross multiply
    888,506.88x = 1,226,136.04 × 480,609.91
  4. Step 4: Simplify right side
    888,506.88x = 589,293,131,832.16
  5. Step 5: Solve for x
    x = 589,293,131,832.16/888,506.88
  6. Step 6: Final answer
    x = 663,239.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.