Home / 674,766.90-931,199.82-368,836.56

Finding the Fourth Proportional to 674,766.90, 931,199.82 and 368,836.56

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Solution

The fourth proportional to 674,766.90, 931,199.82 and 368,836.56 is: 509,006.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,766.90 : 931,199.82 = 368,836.56 : x
  2. Step 2: Convert to fraction form
    674,766.90/931,199.82 = 368,836.56/x
  3. Step 3: Cross multiply
    674,766.90x = 931,199.82 × 368,836.56
  4. Step 4: Simplify right side
    674,766.90x = 343,460,538,281.42
  5. Step 5: Solve for x
    x = 343,460,538,281.42/674,766.90
  6. Step 6: Final answer
    x = 509,006.20

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.