Home / 769,498.08-1,154,188.80-270,512.16

Finding the Fourth Proportional to 769,498.08, 1,154,188.80 and 270,512.16

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Solution

The fourth proportional to 769,498.08, 1,154,188.80 and 270,512.16 is: 405,747.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,498.08 : 1,154,188.80 = 270,512.16 : x
  2. Step 2: Convert to fraction form
    769,498.08/1,154,188.80 = 270,512.16/x
  3. Step 3: Cross multiply
    769,498.08x = 1,154,188.80 × 270,512.16
  4. Step 4: Simplify right side
    769,498.08x = 312,222,105,335.81
  5. Step 5: Solve for x
    x = 312,222,105,335.81/769,498.08
  6. Step 6: Final answer
    x = 405,747.74

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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.