Home / 808,213.20-1,212,275.85-247,247.70

Finding the Fourth Proportional to 808,213.20, 1,212,275.85 and 247,247.70

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Solution

The fourth proportional to 808,213.20, 1,212,275.85 and 247,247.70 is: 370,858.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,213.20 : 1,212,275.85 = 247,247.70 : x
  2. Step 2: Convert to fraction form
    808,213.20/1,212,275.85 = 247,247.70/x
  3. Step 3: Cross multiply
    808,213.20x = 1,212,275.85 × 247,247.70
  4. Step 4: Simplify right side
    808,213.20x = 299,732,415,678.05
  5. Step 5: Solve for x
    x = 299,732,415,678.05/808,213.20
  6. Step 6: Final answer
    x = 370,858.10

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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.