Home / 698,703.41-1,047,996.68-193,270.63

Finding the Fourth Proportional to 698,703.41, 1,047,996.68 and 193,270.63

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Solution

The fourth proportional to 698,703.41, 1,047,996.68 and 193,270.63 is: 289,889.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,703.41 : 1,047,996.68 = 193,270.63 : x
  2. Step 2: Convert to fraction form
    698,703.41/1,047,996.68 = 193,270.63/x
  3. Step 3: Cross multiply
    698,703.41x = 1,047,996.68 × 193,270.63
  4. Step 4: Simplify right side
    698,703.41x = 202,546,976,444.69
  5. Step 5: Solve for x
    x = 202,546,976,444.69/698,703.41
  6. Step 6: Final answer
    x = 289,889.78

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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.