Home / 691,980.27-1,038,380.33-292,599.15

Finding the Fourth Proportional to 691,980.27, 1,038,380.33 and 292,599.15

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Solution

The fourth proportional to 691,980.27, 1,038,380.33 and 292,599.15 is: 439,072.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,980.27 : 1,038,380.33 = 292,599.15 : x
  2. Step 2: Convert to fraction form
    691,980.27/1,038,380.33 = 292,599.15/x
  3. Step 3: Cross multiply
    691,980.27x = 1,038,380.33 × 292,599.15
  4. Step 4: Simplify right side
    691,980.27x = 303,829,200,471.72
  5. Step 5: Solve for x
    x = 303,829,200,471.72/691,980.27
  6. Step 6: Final answer
    x = 439,072.06

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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.