Home / 808,775.62-1,213,119.66-247,811.74

Finding the Fourth Proportional to 808,775.62, 1,213,119.66 and 247,811.74

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Solution

The fourth proportional to 808,775.62, 1,213,119.66 and 247,811.74 is: 371,704.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,775.62 : 1,213,119.66 = 247,811.74 : x
  2. Step 2: Convert to fraction form
    808,775.62/1,213,119.66 = 247,811.74/x
  3. Step 3: Cross multiply
    808,775.62x = 1,213,119.66 × 247,811.74
  4. Step 4: Simplify right side
    808,775.62x = 300,625,293,772.81
  5. Step 5: Solve for x
    x = 300,625,293,772.81/808,775.62
  6. Step 6: Final answer
    x = 371,704.20

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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.