Home / 784,100.64-1,176,070.32-252,003.36

Finding the Fourth Proportional to 784,100.64, 1,176,070.32 and 252,003.36

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Solution

The fourth proportional to 784,100.64, 1,176,070.32 and 252,003.36 is: 377,979.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,100.64 : 1,176,070.32 = 252,003.36 : x
  2. Step 2: Convert to fraction form
    784,100.64/1,176,070.32 = 252,003.36/x
  3. Step 3: Cross multiply
    784,100.64x = 1,176,070.32 × 252,003.36
  4. Step 4: Simplify right side
    784,100.64x = 296,373,672,236.28
  5. Step 5: Solve for x
    x = 296,373,672,236.28/784,100.64
  6. Step 6: Final answer
    x = 377,979.12

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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.