Home / 818,809.75-1,129,961.93-474,849.61

Finding the Fourth Proportional to 818,809.75, 1,129,961.93 and 474,849.61

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Solution

The fourth proportional to 818,809.75, 1,129,961.93 and 474,849.61 is: 655,295.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,809.75 : 1,129,961.93 = 474,849.61 : x
  2. Step 2: Convert to fraction form
    818,809.75/1,129,961.93 = 474,849.61/x
  3. Step 3: Cross multiply
    818,809.75x = 1,129,961.93 × 474,849.61
  4. Step 4: Simplify right side
    818,809.75x = 536,561,979,024.66
  5. Step 5: Solve for x
    x = 536,561,979,024.66/818,809.75
  6. Step 6: Final answer
    x = 655,295.06

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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.