Home / 834,401.80-1,250,727.90-328,767.40

Finding the Fourth Proportional to 834,401.80, 1,250,727.90 and 328,767.40

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Solution

The fourth proportional to 834,401.80, 1,250,727.90 and 328,767.40 is: 492,806.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,401.80 : 1,250,727.90 = 328,767.40 : x
  2. Step 2: Convert to fraction form
    834,401.80/1,250,727.90 = 328,767.40/x
  3. Step 3: Cross multiply
    834,401.80x = 1,250,727.90 × 328,767.40
  4. Step 4: Simplify right side
    834,401.80x = 411,198,559,790.46
  5. Step 5: Solve for x
    x = 411,198,559,790.46/834,401.80
  6. Step 6: Final answer
    x = 492,806.42

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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.