Home / 738,778.57-1,108,168.16-177,813.07

Finding the Fourth Proportional to 738,778.57, 1,108,168.16 and 177,813.07

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Solution

The fourth proportional to 738,778.57, 1,108,168.16 and 177,813.07 is: 266,719.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,778.57 : 1,108,168.16 = 177,813.07 : x
  2. Step 2: Convert to fraction form
    738,778.57/1,108,168.16 = 177,813.07/x
  3. Step 3: Cross multiply
    738,778.57x = 1,108,168.16 × 177,813.07
  4. Step 4: Simplify right side
    738,778.57x = 197,046,776,175.95
  5. Step 5: Solve for x
    x = 197,046,776,175.95/738,778.57
  6. Step 6: Final answer
    x = 266,719.67

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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.