Home / 867,311.60-1,300,911.99-268,222.59

Finding the Fourth Proportional to 867,311.60, 1,300,911.99 and 268,222.59

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Solution

The fourth proportional to 867,311.60, 1,300,911.99 and 268,222.59 is: 402,316.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,311.60 : 1,300,911.99 = 268,222.59 : x
  2. Step 2: Convert to fraction form
    867,311.60/1,300,911.99 = 268,222.59/x
  3. Step 3: Cross multiply
    867,311.60x = 1,300,911.99 × 268,222.59
  4. Step 4: Simplify right side
    867,311.60x = 348,933,983,319.85
  5. Step 5: Solve for x
    x = 348,933,983,319.85/867,311.60
  6. Step 6: Final answer
    x = 402,316.75

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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.