Home / 443,002.20-664,503.30-310,032.60

Finding the Fourth Proportional to 443,002.20, 664,503.30 and 310,032.60

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Solution

The fourth proportional to 443,002.20, 664,503.30 and 310,032.60 is: 465,048.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,002.20 : 664,503.30 = 310,032.60 : x
  2. Step 2: Convert to fraction form
    443,002.20/664,503.30 = 310,032.60/x
  3. Step 3: Cross multiply
    443,002.20x = 664,503.30 × 310,032.60
  4. Step 4: Simplify right side
    443,002.20x = 206,017,685,807.58
  5. Step 5: Solve for x
    x = 206,017,685,807.58/443,002.20
  6. Step 6: Final answer
    x = 465,048.90

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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.