Home / 808,768.34-1,213,108.76-247,804.46

Finding the Fourth Proportional to 808,768.34, 1,213,108.76 and 247,804.46

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Solution

The fourth proportional to 808,768.34, 1,213,108.76 and 247,804.46 is: 371,693.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,768.34 : 1,213,108.76 = 247,804.46 : x
  2. Step 2: Convert to fraction form
    808,768.34/1,213,108.76 = 247,804.46/x
  3. Step 3: Cross multiply
    808,768.34x = 1,213,108.76 × 247,804.46
  4. Step 4: Simplify right side
    808,768.34x = 300,613,761,193.07
  5. Step 5: Solve for x
    x = 300,613,761,193.07/808,768.34
  6. Step 6: Final answer
    x = 371,693.29

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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.