Home / 692,262.10-1,038,501.15-218,902.42

Finding the Fourth Proportional to 692,262.10, 1,038,501.15 and 218,902.42

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Solution

The fourth proportional to 692,262.10, 1,038,501.15 and 218,902.42 is: 328,387.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,262.10 : 1,038,501.15 = 218,902.42 : x
  2. Step 2: Convert to fraction form
    692,262.10/1,038,501.15 = 218,902.42/x
  3. Step 3: Cross multiply
    692,262.10x = 1,038,501.15 × 218,902.42
  4. Step 4: Simplify right side
    692,262.10x = 227,330,414,907.78
  5. Step 5: Solve for x
    x = 227,330,414,907.78/692,262.10
  6. Step 6: Final answer
    x = 328,387.78

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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.