Home / 3,432,868.80-5,149,303.20-908,779.20

Finding the Fourth Proportional to 3,432,868.80, 5,149,303.20 and 908,779.20

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Solution

The fourth proportional to 3,432,868.80, 5,149,303.20 and 908,779.20 is: 1,363,168.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,432,868.80 : 5,149,303.20 = 908,779.20 : x
  2. Step 2: Convert to fraction form
    3,432,868.80/5,149,303.20 = 908,779.20/x
  3. Step 3: Cross multiply
    3,432,868.80x = 5,149,303.20 × 908,779.20
  4. Step 4: Simplify right side
    3,432,868.80x = 4,679,579,642,653.44
  5. Step 5: Solve for x
    x = 4,679,579,642,653.44/3,432,868.80
  6. Step 6: Final answer
    x = 1,363,168.80

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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.