Home / 760,494.17-1,049,481.97-420,962.42

Finding the Fourth Proportional to 760,494.17, 1,049,481.97 and 420,962.42

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Solution

The fourth proportional to 760,494.17, 1,049,481.97 and 420,962.42 is: 580,928.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,494.17 : 1,049,481.97 = 420,962.42 : x
  2. Step 2: Convert to fraction form
    760,494.17/1,049,481.97 = 420,962.42/x
  3. Step 3: Cross multiply
    760,494.17x = 1,049,481.97 × 420,962.42
  4. Step 4: Simplify right side
    760,494.17x = 441,792,471,408.87
  5. Step 5: Solve for x
    x = 441,792,471,408.87/760,494.17
  6. Step 6: Final answer
    x = 580,928.15

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Double scale
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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.