Home / 762,307.09-1,143,337.95-222,436.62

Finding the Fourth Proportional to 762,307.09, 1,143,337.95 and 222,436.62

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Solution

The fourth proportional to 762,307.09, 1,143,337.95 and 222,436.62 is: 333,619.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,307.09 : 1,143,337.95 = 222,436.62 : x
  2. Step 2: Convert to fraction form
    762,307.09/1,143,337.95 = 222,436.62/x
  3. Step 3: Cross multiply
    762,307.09x = 1,143,337.95 × 222,436.62
  4. Step 4: Simplify right side
    762,307.09x = 254,320,229,115.73
  5. Step 5: Solve for x
    x = 254,320,229,115.73/762,307.09
  6. Step 6: Final answer
    x = 333,619.13

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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.