Home / 745,994.70-1,119,429.45-272,727.90

Finding the Fourth Proportional to 745,994.70, 1,119,429.45 and 272,727.90

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Solution

The fourth proportional to 745,994.70, 1,119,429.45 and 272,727.90 is: 409,251.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,994.70 : 1,119,429.45 = 272,727.90 : x
  2. Step 2: Convert to fraction form
    745,994.70/1,119,429.45 = 272,727.90/x
  3. Step 3: Cross multiply
    745,994.70x = 1,119,429.45 × 272,727.90
  4. Step 4: Simplify right side
    745,994.70x = 305,299,643,096.66
  5. Step 5: Solve for x
    x = 305,299,643,096.66/745,994.70
  6. Step 6: Final answer
    x = 409,251.76

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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.