Home / 888,156.80-1,330,704.30-413,869.40

Finding the Fourth Proportional to 888,156.80, 1,330,704.30 and 413,869.40

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Solution

The fourth proportional to 888,156.80, 1,330,704.30 and 413,869.40 is: 620,090.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,156.80 : 1,330,704.30 = 413,869.40 : x
  2. Step 2: Convert to fraction form
    888,156.80/1,330,704.30 = 413,869.40/x
  3. Step 3: Cross multiply
    888,156.80x = 1,330,704.30 × 413,869.40
  4. Step 4: Simplify right side
    888,156.80x = 550,737,790,218.42
  5. Step 5: Solve for x
    x = 550,737,790,218.42/888,156.80
  6. Step 6: Final answer
    x = 620,090.72

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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.