Home / 808,039.09-1,212,077.09-239,409.52

Finding the Fourth Proportional to 808,039.09, 1,212,077.09 and 239,409.52

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Solution

The fourth proportional to 808,039.09, 1,212,077.09 and 239,409.52 is: 359,119.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,039.09 : 1,212,077.09 = 239,409.52 : x
  2. Step 2: Convert to fraction form
    808,039.09/1,212,077.09 = 239,409.52/x
  3. Step 3: Cross multiply
    808,039.09x = 1,212,077.09 × 239,409.52
  4. Step 4: Simplify right side
    808,039.09x = 290,182,791,888.23
  5. Step 5: Solve for x
    x = 290,182,791,888.23/808,039.09
  6. Step 6: Final answer
    x = 359,119.74

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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.