Home / 730,011.20-1,094,498.40-280,558.40

Finding the Fourth Proportional to 730,011.20, 1,094,498.40 and 280,558.40

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Solution

The fourth proportional to 730,011.20, 1,094,498.40 and 280,558.40 is: 420,638.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,011.20 : 1,094,498.40 = 280,558.40 : x
  2. Step 2: Convert to fraction form
    730,011.20/1,094,498.40 = 280,558.40/x
  3. Step 3: Cross multiply
    730,011.20x = 1,094,498.40 × 280,558.40
  4. Step 4: Simplify right side
    730,011.20x = 307,070,719,906.56
  5. Step 5: Solve for x
    x = 307,070,719,906.56/730,011.20
  6. Step 6: Final answer
    x = 420,638.37

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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.