Home / 771,481.41-1,156,661.61-322,330.74

Finding the Fourth Proportional to 771,481.41, 1,156,661.61 and 322,330.74

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Solution

The fourth proportional to 771,481.41, 1,156,661.61 and 322,330.74 is: 483,261.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,481.41 : 1,156,661.61 = 322,330.74 : x
  2. Step 2: Convert to fraction form
    771,481.41/1,156,661.61 = 322,330.74/x
  3. Step 3: Cross multiply
    771,481.41x = 1,156,661.61 × 322,330.74
  4. Step 4: Simplify right side
    771,481.41x = 372,827,592,680.89
  5. Step 5: Solve for x
    x = 372,827,592,680.89/771,481.41
  6. Step 6: Final answer
    x = 483,261.93

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Double scale
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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.