Home / 779,299.20-1,168,960.32-218,298.24

Finding the Fourth Proportional to 779,299.20, 1,168,960.32 and 218,298.24

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Solution

The fourth proportional to 779,299.20, 1,168,960.32 and 218,298.24 is: 327,450.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,299.20 : 1,168,960.32 = 218,298.24 : x
  2. Step 2: Convert to fraction form
    779,299.20/1,168,960.32 = 218,298.24/x
  3. Step 3: Cross multiply
    779,299.20x = 1,168,960.32 × 218,298.24
  4. Step 4: Simplify right side
    779,299.20x = 255,181,980,485.84
  5. Step 5: Solve for x
    x = 255,181,980,485.84/779,299.20
  6. Step 6: Final answer
    x = 327,450.59

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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.