Home / 752,019.80-1,127,969.94-302,423.72

Finding the Fourth Proportional to 752,019.80, 1,127,969.94 and 302,423.72

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Solution

The fourth proportional to 752,019.80, 1,127,969.94 and 302,423.72 is: 453,611.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,019.80 : 1,127,969.94 = 302,423.72 : x
  2. Step 2: Convert to fraction form
    752,019.80/1,127,969.94 = 302,423.72/x
  3. Step 3: Cross multiply
    752,019.80x = 1,127,969.94 × 302,423.72
  4. Step 4: Simplify right side
    752,019.80x = 341,124,865,302.98
  5. Step 5: Solve for x
    x = 341,124,865,302.98/752,019.80
  6. Step 6: Final answer
    x = 453,611.55

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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.