Home / 489,022.90-732,550.20-329,590.60

Finding the Fourth Proportional to 489,022.90, 732,550.20 and 329,590.60

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Solution

The fourth proportional to 489,022.90, 732,550.20 and 329,590.60 is: 493,722.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,022.90 : 732,550.20 = 329,590.60 : x
  2. Step 2: Convert to fraction form
    489,022.90/732,550.20 = 329,590.60/x
  3. Step 3: Cross multiply
    489,022.90x = 732,550.20 × 329,590.60
  4. Step 4: Simplify right side
    489,022.90x = 241,441,659,948.12
  5. Step 5: Solve for x
    x = 241,441,659,948.12/489,022.90
  6. Step 6: Final answer
    x = 493,722.60

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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.