Home / 692,637.96-1,038,996.46-194,040.84

Finding the Fourth Proportional to 692,637.96, 1,038,996.46 and 194,040.84

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Solution

The fourth proportional to 692,637.96, 1,038,996.46 and 194,040.84 is: 291,072.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,637.96 : 1,038,996.46 = 194,040.84 : x
  2. Step 2: Convert to fraction form
    692,637.96/1,038,996.46 = 194,040.84/x
  3. Step 3: Cross multiply
    692,637.96x = 1,038,996.46 × 194,040.84
  4. Step 4: Simplify right side
    692,637.96x = 201,607,745,855.43
  5. Step 5: Solve for x
    x = 201,607,745,855.43/692,637.96
  6. Step 6: Final answer
    x = 291,072.33

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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.