Home / 713,530.68-1,070,453.45-208,131.20

Finding the Fourth Proportional to 713,530.68, 1,070,453.45 and 208,131.20

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Solution

The fourth proportional to 713,530.68, 1,070,453.45 and 208,131.20 is: 312,242.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,530.68 : 1,070,453.45 = 208,131.20 : x
  2. Step 2: Convert to fraction form
    713,530.68/1,070,453.45 = 208,131.20/x
  3. Step 3: Cross multiply
    713,530.68x = 1,070,453.45 × 208,131.20
  4. Step 4: Simplify right side
    713,530.68x = 222,794,761,092.64
  5. Step 5: Solve for x
    x = 222,794,761,092.64/713,530.68
  6. Step 6: Final answer
    x = 312,242.72

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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.