Home / 730,070.20-1,094,586.90-280,617.40

Finding the Fourth Proportional to 730,070.20, 1,094,586.90 and 280,617.40

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Solution

The fourth proportional to 730,070.20, 1,094,586.90 and 280,617.40 is: 420,726.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,070.20 : 1,094,586.90 = 280,617.40 : x
  2. Step 2: Convert to fraction form
    730,070.20/1,094,586.90 = 280,617.40/x
  3. Step 3: Cross multiply
    730,070.20x = 1,094,586.90 × 280,617.40
  4. Step 4: Simplify right side
    730,070.20x = 307,160,129,952.06
  5. Step 5: Solve for x
    x = 307,160,129,952.06/730,070.20
  6. Step 6: Final answer
    x = 420,726.84

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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.