Home / 867,033.40-1,300,647.30-267,989.80

Finding the Fourth Proportional to 867,033.40, 1,300,647.30 and 267,989.80

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Solution

The fourth proportional to 867,033.40, 1,300,647.30 and 267,989.80 is: 402,014.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,033.40 : 1,300,647.30 = 267,989.80 : x
  2. Step 2: Convert to fraction form
    867,033.40/1,300,647.30 = 267,989.80/x
  3. Step 3: Cross multiply
    867,033.40x = 1,300,647.30 × 267,989.80
  4. Step 4: Simplify right side
    867,033.40x = 348,560,209,797.54
  5. Step 5: Solve for x
    x = 348,560,209,797.54/867,033.40
  6. Step 6: Final answer
    x = 402,014.74

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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.