Home / 730,054.20-1,094,562.90-280,601.40

Finding the Fourth Proportional to 730,054.20, 1,094,562.90 and 280,601.40

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Solution

The fourth proportional to 730,054.20, 1,094,562.90 and 280,601.40 is: 420,702.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,054.20 : 1,094,562.90 = 280,601.40 : x
  2. Step 2: Convert to fraction form
    730,054.20/1,094,562.90 = 280,601.40/x
  3. Step 3: Cross multiply
    730,054.20x = 1,094,562.90 × 280,601.40
  4. Step 4: Simplify right side
    730,054.20x = 307,135,882,128.06
  5. Step 5: Solve for x
    x = 307,135,882,128.06/730,054.20
  6. Step 6: Final answer
    x = 420,702.85

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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.