Home / 808,531.10-1,212,796.65-247,564.70

Finding the Fourth Proportional to 808,531.10, 1,212,796.65 and 247,564.70

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Solution

The fourth proportional to 808,531.10, 1,212,796.65 and 247,564.70 is: 371,347.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,531.10 : 1,212,796.65 = 247,564.70 : x
  2. Step 2: Convert to fraction form
    808,531.10/1,212,796.65 = 247,564.70/x
  3. Step 3: Cross multiply
    808,531.10x = 1,212,796.65 × 247,564.70
  4. Step 4: Simplify right side
    808,531.10x = 300,245,638,818.26
  5. Step 5: Solve for x
    x = 300,245,638,818.26/808,531.10
  6. Step 6: Final answer
    x = 371,347.05

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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.