Home / 782,270.96-1,079,496.60-480,406.64

Finding the Fourth Proportional to 782,270.96, 1,079,496.60 and 480,406.64

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Solution

The fourth proportional to 782,270.96, 1,079,496.60 and 480,406.64 is: 662,938.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,270.96 : 1,079,496.60 = 480,406.64 : x
  2. Step 2: Convert to fraction form
    782,270.96/1,079,496.60 = 480,406.64/x
  3. Step 3: Cross multiply
    782,270.96x = 1,079,496.60 × 480,406.64
  4. Step 4: Simplify right side
    782,270.96x = 518,597,334,497.42
  5. Step 5: Solve for x
    x = 518,597,334,497.42/782,270.96
  6. Step 6: Final answer
    x = 662,938.24

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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.