Home / 556,741.80-835,331.40-219,725.10

Finding the Fourth Proportional to 556,741.80, 835,331.40 and 219,725.10

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Solution

The fourth proportional to 556,741.80, 835,331.40 and 219,725.10 is: 329,673.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,741.80 : 835,331.40 = 219,725.10 : x
  2. Step 2: Convert to fraction form
    556,741.80/835,331.40 = 219,725.10/x
  3. Step 3: Cross multiply
    556,741.80x = 835,331.40 × 219,725.10
  4. Step 4: Simplify right side
    556,741.80x = 183,543,275,398.14
  5. Step 5: Solve for x
    x = 183,543,275,398.14/556,741.80
  6. Step 6: Final answer
    x = 329,673.96

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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.