Home / 686,335.04-1,029,487.98-187,699.04

Finding the Fourth Proportional to 686,335.04, 1,029,487.98 and 187,699.04

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Solution

The fourth proportional to 686,335.04, 1,029,487.98 and 187,699.04 is: 281,544.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,335.04 : 1,029,487.98 = 187,699.04 : x
  2. Step 2: Convert to fraction form
    686,335.04/1,029,487.98 = 187,699.04/x
  3. Step 3: Cross multiply
    686,335.04x = 1,029,487.98 × 187,699.04
  4. Step 4: Simplify right side
    686,335.04x = 193,233,905,537.54
  5. Step 5: Solve for x
    x = 193,233,905,537.54/686,335.04
  6. Step 6: Final answer
    x = 281,544.57

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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.