Home / 556,231.80-834,566.40-219,215.10

Finding the Fourth Proportional to 556,231.80, 834,566.40 and 219,215.10

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Solution

The fourth proportional to 556,231.80, 834,566.40 and 219,215.10 is: 328,908.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,231.80 : 834,566.40 = 219,215.10 : x
  2. Step 2: Convert to fraction form
    556,231.80/834,566.40 = 219,215.10/x
  3. Step 3: Cross multiply
    556,231.80x = 834,566.40 × 219,215.10
  4. Step 4: Simplify right side
    556,231.80x = 182,949,556,832.64
  5. Step 5: Solve for x
    x = 182,949,556,832.64/556,231.80
  6. Step 6: Final answer
    x = 328,908.84

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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.