Home / 820,045.06-1,230,233.64-346,729.66

Finding the Fourth Proportional to 820,045.06, 1,230,233.64 and 346,729.66

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Solution

The fourth proportional to 820,045.06, 1,230,233.64 and 346,729.66 is: 520,164.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,045.06 : 1,230,233.64 = 346,729.66 : x
  2. Step 2: Convert to fraction form
    820,045.06/1,230,233.64 = 346,729.66/x
  3. Step 3: Cross multiply
    820,045.06x = 1,230,233.64 × 346,729.66
  4. Step 4: Simplify right side
    820,045.06x = 426,558,491,717.76
  5. Step 5: Solve for x
    x = 426,558,491,717.76/820,045.06
  6. Step 6: Final answer
    x = 520,164.70

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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.