Home / 558,930.35-771,326.80-304,283.36

Finding the Fourth Proportional to 558,930.35, 771,326.80 and 304,283.36

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Solution

The fourth proportional to 558,930.35, 771,326.80 and 304,283.36 is: 419,912.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,930.35 : 771,326.80 = 304,283.36 : x
  2. Step 2: Convert to fraction form
    558,930.35/771,326.80 = 304,283.36/x
  3. Step 3: Cross multiply
    558,930.35x = 771,326.80 × 304,283.36
  4. Step 4: Simplify right side
    558,930.35x = 234,701,905,744.71
  5. Step 5: Solve for x
    x = 234,701,905,744.71/558,930.35
  6. Step 6: Final answer
    x = 419,912.62

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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.