Home / 847,758.26-1,271,585.89-300,677.78

Finding the Fourth Proportional to 847,758.26, 1,271,585.89 and 300,677.78

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Solution

The fourth proportional to 847,758.26, 1,271,585.89 and 300,677.78 is: 450,998.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,758.26 : 1,271,585.89 = 300,677.78 : x
  2. Step 2: Convert to fraction form
    847,758.26/1,271,585.89 = 300,677.78/x
  3. Step 3: Cross multiply
    847,758.26x = 1,271,585.89 × 300,677.78
  4. Step 4: Simplify right side
    847,758.26x = 382,337,622,484.52
  5. Step 5: Solve for x
    x = 382,337,622,484.52/847,758.26
  6. Step 6: Final answer
    x = 450,998.40

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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.