Home / 496,821.60-685,616.40-270,468.72

Finding the Fourth Proportional to 496,821.60, 685,616.40 and 270,468.72

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Solution

The fourth proportional to 496,821.60, 685,616.40 and 270,468.72 is: 373,248.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,821.60 : 685,616.40 = 270,468.72 : x
  2. Step 2: Convert to fraction form
    496,821.60/685,616.40 = 270,468.72/x
  3. Step 3: Cross multiply
    496,821.60x = 685,616.40 × 270,468.72
  4. Step 4: Simplify right side
    496,821.60x = 185,437,790,119.01
  5. Step 5: Solve for x
    x = 185,437,790,119.01/496,821.60
  6. Step 6: Final answer
    x = 373,248.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.