Home / 774,937.60-1,161,930.93-301,069.78

Finding the Fourth Proportional to 774,937.60, 1,161,930.93 and 301,069.78

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Solution

The fourth proportional to 774,937.60, 1,161,930.93 and 301,069.78 is: 451,419.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,937.60 : 1,161,930.93 = 301,069.78 : x
  2. Step 2: Convert to fraction form
    774,937.60/1,161,930.93 = 301,069.78/x
  3. Step 3: Cross multiply
    774,937.60x = 1,161,930.93 × 301,069.78
  4. Step 4: Simplify right side
    774,937.60x = 349,822,289,470.30
  5. Step 5: Solve for x
    x = 349,822,289,470.30/774,937.60
  6. Step 6: Final answer
    x = 451,419.95

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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.