Home / 730,069.20-1,094,585.40-280,616.40

Finding the Fourth Proportional to 730,069.20, 1,094,585.40 and 280,616.40

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Solution

The fourth proportional to 730,069.20, 1,094,585.40 and 280,616.40 is: 420,725.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,069.20 : 1,094,585.40 = 280,616.40 : x
  2. Step 2: Convert to fraction form
    730,069.20/1,094,585.40 = 280,616.40/x
  3. Step 3: Cross multiply
    730,069.20x = 1,094,585.40 × 280,616.40
  4. Step 4: Simplify right side
    730,069.20x = 307,158,614,440.56
  5. Step 5: Solve for x
    x = 307,158,614,440.56/730,069.20
  6. Step 6: Final answer
    x = 420,725.34

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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.