Home / 490,737.35-677,197.80-275,872.83

Finding the Fourth Proportional to 490,737.35, 677,197.80 and 275,872.83

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Solution

The fourth proportional to 490,737.35, 677,197.80 and 275,872.83 is: 380,693.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,737.35 : 677,197.80 = 275,872.83 : x
  2. Step 2: Convert to fraction form
    490,737.35/677,197.80 = 275,872.83/x
  3. Step 3: Cross multiply
    490,737.35x = 677,197.80 × 275,872.83
  4. Step 4: Simplify right side
    490,737.35x = 186,820,473,555.77
  5. Step 5: Solve for x
    x = 186,820,473,555.77/490,737.35
  6. Step 6: Final answer
    x = 380,693.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.