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Finding the Fourth Proportional to 799,684.74, 1,199,737.42 and 287,401.64

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Solution

The fourth proportional to 799,684.74, 1,199,737.42 and 287,401.64 is: 431,178.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    799,684.74 : 1,199,737.42 = 287,401.64 : x
  2. Step 2: Convert to fraction form
    799,684.74/1,199,737.42 = 287,401.64/x
  3. Step 3: Cross multiply
    799,684.74x = 1,199,737.42 × 287,401.64
  4. Step 4: Simplify right side
    799,684.74x = 344,806,502,077.37
  5. Step 5: Solve for x
    x = 344,806,502,077.37/799,684.74
  6. Step 6: Final answer
    x = 431,178.04

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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.