Home / 808,765.59-1,213,104.65-247,801.71

Finding the Fourth Proportional to 808,765.59, 1,213,104.65 and 247,801.71

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Solution

The fourth proportional to 808,765.59, 1,213,104.65 and 247,801.71 is: 371,689.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,765.59 : 1,213,104.65 = 247,801.71 : x
  2. Step 2: Convert to fraction form
    808,765.59/1,213,104.65 = 247,801.71/x
  3. Step 3: Cross multiply
    808,765.59x = 1,213,104.65 × 247,801.71
  4. Step 4: Simplify right side
    808,765.59x = 300,609,405,439.94
  5. Step 5: Solve for x
    x = 300,609,405,439.94/808,765.59
  6. Step 6: Final answer
    x = 371,689.16

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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.