Home / 743,539.52-1,115,307.04-211,061

Finding the Fourth Proportional to 743,539.52, 1,115,307.04 and 211,061

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Solution

The fourth proportional to 743,539.52, 1,115,307.04 and 211,061 is: 316,590.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,539.52 : 1,115,307.04 = 211,061 : x
  2. Step 2: Convert to fraction form
    743,539.52/1,115,307.04 = 211,061/x
  3. Step 3: Cross multiply
    743,539.52x = 1,115,307.04 × 211,061
  4. Step 4: Simplify right side
    743,539.52x = 235,397,819,169.44
  5. Step 5: Solve for x
    x = 235,397,819,169.44/743,539.52
  6. Step 6: Final answer
    x = 316,590.86

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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.