Home / 727,184.76-1,090,851.64-278,283.20

Finding the Fourth Proportional to 727,184.76, 1,090,851.64 and 278,283.20

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Solution

The fourth proportional to 727,184.76, 1,090,851.64 and 278,283.20 is: 417,453.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,184.76 : 1,090,851.64 = 278,283.20 : x
  2. Step 2: Convert to fraction form
    727,184.76/1,090,851.64 = 278,283.20/x
  3. Step 3: Cross multiply
    727,184.76x = 1,090,851.64 × 278,283.20
  4. Step 4: Simplify right side
    727,184.76x = 303,565,678,954.48
  5. Step 5: Solve for x
    x = 303,565,678,954.48/727,184.76
  6. Step 6: Final answer
    x = 417,453.30

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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.