Home / 730,081.20-1,094,603.40-280,628.40

Finding the Fourth Proportional to 730,081.20, 1,094,603.40 and 280,628.40

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Solution

The fourth proportional to 730,081.20, 1,094,603.40 and 280,628.40 is: 420,743.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,081.20 : 1,094,603.40 = 280,628.40 : x
  2. Step 2: Convert to fraction form
    730,081.20/1,094,603.40 = 280,628.40/x
  3. Step 3: Cross multiply
    730,081.20x = 1,094,603.40 × 280,628.40
  4. Step 4: Simplify right side
    730,081.20x = 307,176,800,776.56
  5. Step 5: Solve for x
    x = 307,176,800,776.56/730,081.20
  6. Step 6: Final answer
    x = 420,743.34

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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.