Home / 809,089.14-1,213,875.09-240,489.06

Finding the Fourth Proportional to 809,089.14, 1,213,875.09 and 240,489.06

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Solution

The fourth proportional to 809,089.14, 1,213,875.09 and 240,489.06 is: 360,805.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,089.14 : 1,213,875.09 = 240,489.06 : x
  2. Step 2: Convert to fraction form
    809,089.14/1,213,875.09 = 240,489.06/x
  3. Step 3: Cross multiply
    809,089.14x = 1,213,875.09 × 240,489.06
  4. Step 4: Simplify right side
    809,089.14x = 291,923,679,351.52
  5. Step 5: Solve for x
    x = 291,923,679,351.52/809,089.14
  6. Step 6: Final answer
    x = 360,805.34

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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.