Home / 644,082.80-966,124.20-465,623.60

Finding the Fourth Proportional to 644,082.80, 966,124.20 and 465,623.60

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Solution

The fourth proportional to 644,082.80, 966,124.20 and 465,623.60 is: 698,435.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,082.80 : 966,124.20 = 465,623.60 : x
  2. Step 2: Convert to fraction form
    644,082.80/966,124.20 = 465,623.60/x
  3. Step 3: Cross multiply
    644,082.80x = 966,124.20 × 465,623.60
  4. Step 4: Simplify right side
    644,082.80x = 449,850,228,051.12
  5. Step 5: Solve for x
    x = 449,850,228,051.12/644,082.80
  6. Step 6: Final answer
    x = 698,435.40

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Similar ratio
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1.5x scale

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.