Home / 805,397.52-1,208,068.38-206,363.64

Finding the Fourth Proportional to 805,397.52, 1,208,068.38 and 206,363.64

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Solution

The fourth proportional to 805,397.52, 1,208,068.38 and 206,363.64 is: 309,538.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,397.52 : 1,208,068.38 = 206,363.64 : x
  2. Step 2: Convert to fraction form
    805,397.52/1,208,068.38 = 206,363.64/x
  3. Step 3: Cross multiply
    805,397.52x = 1,208,068.38 × 206,363.64
  4. Step 4: Simplify right side
    805,397.52x = 249,301,388,265.70
  5. Step 5: Solve for x
    x = 249,301,388,265.70/805,397.52
  6. Step 6: Final answer
    x = 309,538.31

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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.