Home / 784,445.44-1,177,056.96-311,120.32

Finding the Fourth Proportional to 784,445.44, 1,177,056.96 and 311,120.32

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Solution

The fourth proportional to 784,445.44, 1,177,056.96 and 311,120.32 is: 466,834.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,445.44 : 1,177,056.96 = 311,120.32 : x
  2. Step 2: Convert to fraction form
    784,445.44/1,177,056.96 = 311,120.32/x
  3. Step 3: Cross multiply
    784,445.44x = 1,177,056.96 × 311,120.32
  4. Step 4: Simplify right side
    784,445.44x = 366,206,338,053.43
  5. Step 5: Solve for x
    x = 366,206,338,053.43/784,445.44
  6. Step 6: Final answer
    x = 466,834.68

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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.