Home / 557,296.20-835,680.78-215,899.56

Finding the Fourth Proportional to 557,296.20, 835,680.78 and 215,899.56

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Solution

The fourth proportional to 557,296.20, 835,680.78 and 215,899.56 is: 323,747.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,296.20 : 835,680.78 = 215,899.56 : x
  2. Step 2: Convert to fraction form
    557,296.20/835,680.78 = 215,899.56/x
  3. Step 3: Cross multiply
    557,296.20x = 835,680.78 × 215,899.56
  4. Step 4: Simplify right side
    557,296.20x = 180,423,112,702.46
  5. Step 5: Solve for x
    x = 180,423,112,702.46/557,296.20
  6. Step 6: Final answer
    x = 323,747.25

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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.