Home / 727,184.92-1,090,851.87-278,283.35

Finding the Fourth Proportional to 727,184.92, 1,090,851.87 and 278,283.35

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Solution

The fourth proportional to 727,184.92, 1,090,851.87 and 278,283.35 is: 417,453.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,184.92 : 1,090,851.87 = 278,283.35 : x
  2. Step 2: Convert to fraction form
    727,184.92/1,090,851.87 = 278,283.35/x
  3. Step 3: Cross multiply
    727,184.92x = 1,090,851.87 × 278,283.35
  4. Step 4: Simplify right side
    727,184.92x = 303,565,912,737.37
  5. Step 5: Solve for x
    x = 303,565,912,737.37/727,184.92
  6. Step 6: Final answer
    x = 417,453.53

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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.