Home / 808,086.78-1,212,148.53-239,457.06

Finding the Fourth Proportional to 808,086.78, 1,212,148.53 and 239,457.06

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Solution

The fourth proportional to 808,086.78, 1,212,148.53 and 239,457.06 is: 359,191.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,086.78 : 1,212,148.53 = 239,457.06 : x
  2. Step 2: Convert to fraction form
    808,086.78/1,212,148.53 = 239,457.06/x
  3. Step 3: Cross multiply
    808,086.78x = 1,212,148.53 × 239,457.06
  4. Step 4: Simplify right side
    808,086.78x = 290,257,523,277.12
  5. Step 5: Solve for x
    x = 290,257,523,277.12/808,086.78
  6. Step 6: Final answer
    x = 359,191.03

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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.