Home / 747,830.04-1,121,892.93-274,519.50

Finding the Fourth Proportional to 747,830.04, 1,121,892.93 and 274,519.50

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Solution

The fourth proportional to 747,830.04, 1,121,892.93 and 274,519.50 is: 411,833.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,830.04 : 1,121,892.93 = 274,519.50 : x
  2. Step 2: Convert to fraction form
    747,830.04/1,121,892.93 = 274,519.50/x
  3. Step 3: Cross multiply
    747,830.04x = 1,121,892.93 × 274,519.50
  4. Step 4: Simplify right side
    747,830.04x = 307,981,486,197.14
  5. Step 5: Solve for x
    x = 307,981,486,197.14/747,830.04
  6. Step 6: Final answer
    x = 411,833.53

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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.