Home / 780,229.15-1,170,635.33-307,244.23

Finding the Fourth Proportional to 780,229.15, 1,170,635.33 and 307,244.23

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Solution

The fourth proportional to 780,229.15, 1,170,635.33 and 307,244.23 is: 460,981.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,229.15 : 1,170,635.33 = 307,244.23 : x
  2. Step 2: Convert to fraction form
    780,229.15/1,170,635.33 = 307,244.23/x
  3. Step 3: Cross multiply
    780,229.15x = 1,170,635.33 × 307,244.23
  4. Step 4: Simplify right side
    780,229.15x = 359,670,950,576.65
  5. Step 5: Solve for x
    x = 359,670,950,576.65/780,229.15
  6. Step 6: Final answer
    x = 460,981.18

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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.