Home / 769,427.20-1,154,164.38-263,981.14

Finding the Fourth Proportional to 769,427.20, 1,154,164.38 and 263,981.14

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Solution

The fourth proportional to 769,427.20, 1,154,164.38 and 263,981.14 is: 395,979.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,427.20 : 1,154,164.38 = 263,981.14 : x
  2. Step 2: Convert to fraction form
    769,427.20/1,154,164.38 = 263,981.14/x
  3. Step 3: Cross multiply
    769,427.20x = 1,154,164.38 × 263,981.14
  4. Step 4: Simplify right side
    769,427.20x = 304,677,628,779.79
  5. Step 5: Solve for x
    x = 304,677,628,779.79/769,427.20
  6. Step 6: Final answer
    x = 395,979.80

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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.