Home / 777,618.30-1,166,252.40-278,982.30

Finding the Fourth Proportional to 777,618.30, 1,166,252.40 and 278,982.30

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Solution

The fourth proportional to 777,618.30, 1,166,252.40 and 278,982.30 is: 418,410.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,618.30 : 1,166,252.40 = 278,982.30 : x
  2. Step 2: Convert to fraction form
    777,618.30/1,166,252.40 = 278,982.30/x
  3. Step 3: Cross multiply
    777,618.30x = 1,166,252.40 × 278,982.30
  4. Step 4: Simplify right side
    777,618.30x = 325,363,776,932.52
  5. Step 5: Solve for x
    x = 325,363,776,932.52/777,618.30
  6. Step 6: Final answer
    x = 418,410.65

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1.5x scale

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.