Home / 808,205.47-1,212,264.25-247,239.97

Finding the Fourth Proportional to 808,205.47, 1,212,264.25 and 247,239.97

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Solution

The fourth proportional to 808,205.47, 1,212,264.25 and 247,239.97 is: 370,846.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,205.47 : 1,212,264.25 = 247,239.97 : x
  2. Step 2: Convert to fraction form
    808,205.47/1,212,264.25 = 247,239.97/x
  3. Step 3: Cross multiply
    808,205.47x = 1,212,264.25 × 247,239.97
  4. Step 4: Simplify right side
    808,205.47x = 299,720,176,802.07
  5. Step 5: Solve for x
    x = 299,720,176,802.07/808,205.47
  6. Step 6: Final answer
    x = 370,846.51

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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.