Home / 699,938.40-1,049,907.60-432,832.80

Finding the Fourth Proportional to 699,938.40, 1,049,907.60 and 432,832.80

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Solution

The fourth proportional to 699,938.40, 1,049,907.60 and 432,832.80 is: 649,249.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,938.40 : 1,049,907.60 = 432,832.80 : x
  2. Step 2: Convert to fraction form
    699,938.40/1,049,907.60 = 432,832.80/x
  3. Step 3: Cross multiply
    699,938.40x = 1,049,907.60 × 432,832.80
  4. Step 4: Simplify right side
    699,938.40x = 454,434,446,249.28
  5. Step 5: Solve for x
    x = 454,434,446,249.28/699,938.40
  6. Step 6: Final answer
    x = 649,249.20

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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.