Home / 891,105.30-1,336,124.14-283,631.22

Finding the Fourth Proportional to 891,105.30, 1,336,124.14 and 283,631.22

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Solution

The fourth proportional to 891,105.30, 1,336,124.14 and 283,631.22 is: 425,276.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,105.30 : 1,336,124.14 = 283,631.22 : x
  2. Step 2: Convert to fraction form
    891,105.30/1,336,124.14 = 283,631.22/x
  3. Step 3: Cross multiply
    891,105.30x = 1,336,124.14 × 283,631.22
  4. Step 4: Simplify right side
    891,105.30x = 378,966,520,786.00
  5. Step 5: Solve for x
    x = 378,966,520,786.00/891,105.30
  6. Step 6: Final answer
    x = 425,276.92

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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.