Home / 867,517.40-1,299,380.88-360,541.28

Finding the Fourth Proportional to 867,517.40, 1,299,380.88 and 360,541.28

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Solution

The fourth proportional to 867,517.40, 1,299,380.88 and 360,541.28 is: 540,024.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,517.40 : 1,299,380.88 = 360,541.28 : x
  2. Step 2: Convert to fraction form
    867,517.40/1,299,380.88 = 360,541.28/x
  3. Step 3: Cross multiply
    867,517.40x = 1,299,380.88 × 360,541.28
  4. Step 4: Simplify right side
    867,517.40x = 468,480,445,682.73
  5. Step 5: Solve for x
    x = 468,480,445,682.73/867,517.40
  6. Step 6: Final answer
    x = 540,024.26

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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.