Home / 808,205.72-1,212,264.63-247,240.22

Finding the Fourth Proportional to 808,205.72, 1,212,264.63 and 247,240.22

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Solution

The fourth proportional to 808,205.72, 1,212,264.63 and 247,240.22 is: 370,846.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,205.72 : 1,212,264.63 = 247,240.22 : x
  2. Step 2: Convert to fraction form
    808,205.72/1,212,264.63 = 247,240.22/x
  3. Step 3: Cross multiply
    808,205.72x = 1,212,264.63 × 247,240.22
  4. Step 4: Simplify right side
    808,205.72x = 299,720,567,758.10
  5. Step 5: Solve for x
    x = 299,720,567,758.10/808,205.72
  6. Step 6: Final answer
    x = 370,846.88

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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.