Home / 912,453.40-1,368,651.54-379,961.08

Finding the Fourth Proportional to 912,453.40, 1,368,651.54 and 379,961.08

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Solution

The fourth proportional to 912,453.40, 1,368,651.54 and 379,961.08 is: 569,929.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,453.40 : 1,368,651.54 = 379,961.08 : x
  2. Step 2: Convert to fraction form
    912,453.40/1,368,651.54 = 379,961.08/x
  3. Step 3: Cross multiply
    912,453.40x = 1,368,651.54 × 379,961.08
  4. Step 4: Simplify right side
    912,453.40x = 520,034,317,282.06
  5. Step 5: Solve for x
    x = 520,034,317,282.06/912,453.40
  6. Step 6: Final answer
    x = 569,929.73

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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.