Home / 691,954.90-1,038,072.46-292,595.02

Finding the Fourth Proportional to 691,954.90, 1,038,072.46 and 292,595.02

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Solution

The fourth proportional to 691,954.90, 1,038,072.46 and 292,595.02 is: 438,951.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,954.90 : 1,038,072.46 = 292,595.02 : x
  2. Step 2: Convert to fraction form
    691,954.90/1,038,072.46 = 292,595.02/x
  3. Step 3: Cross multiply
    691,954.90x = 1,038,072.46 × 292,595.02
  4. Step 4: Simplify right side
    691,954.90x = 303,734,832,195.15
  5. Step 5: Solve for x
    x = 303,734,832,195.15/691,954.90
  6. Step 6: Final answer
    x = 438,951.78

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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.