Home / 820,668.32-1,132,519.20-458,089

Finding the Fourth Proportional to 820,668.32, 1,132,519.20 and 458,089

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Solution

The fourth proportional to 820,668.32, 1,132,519.20 and 458,089 is: 632,161.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,668.32 : 1,132,519.20 = 458,089 : x
  2. Step 2: Convert to fraction form
    820,668.32/1,132,519.20 = 458,089/x
  3. Step 3: Cross multiply
    820,668.32x = 1,132,519.20 × 458,089
  4. Step 4: Simplify right side
    820,668.32x = 518,794,587,808.80
  5. Step 5: Solve for x
    x = 518,794,587,808.80/820,668.32
  6. Step 6: Final answer
    x = 632,161.10

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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.