Home / 891,425.48-1,336,995.32-284,134.88

Finding the Fourth Proportional to 891,425.48, 1,336,995.32 and 284,134.88

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Solution

The fourth proportional to 891,425.48, 1,336,995.32 and 284,134.88 is: 426,156.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,425.48 : 1,336,995.32 = 284,134.88 : x
  2. Step 2: Convert to fraction form
    891,425.48/1,336,995.32 = 284,134.88/x
  3. Step 3: Cross multiply
    891,425.48x = 1,336,995.32 × 284,134.88
  4. Step 4: Simplify right side
    891,425.48x = 379,887,004,808.76
  5. Step 5: Solve for x
    x = 379,887,004,808.76/891,425.48
  6. Step 6: Final answer
    x = 426,156.77

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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.