Home / 738,082.80-1,106,796.15-288,654.30

Finding the Fourth Proportional to 738,082.80, 1,106,796.15 and 288,654.30

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Solution

The fourth proportional to 738,082.80, 1,106,796.15 and 288,654.30 is: 432,853.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,082.80 : 1,106,796.15 = 288,654.30 : x
  2. Step 2: Convert to fraction form
    738,082.80/1,106,796.15 = 288,654.30/x
  3. Step 3: Cross multiply
    738,082.80x = 1,106,796.15 × 288,654.30
  4. Step 4: Simplify right side
    738,082.80x = 319,481,467,920.95
  5. Step 5: Solve for x
    x = 319,481,467,920.95/738,082.80
  6. Step 6: Final answer
    x = 432,853.15

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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.