Home / 880,774.89-1,215,428.67-498,804.42

Finding the Fourth Proportional to 880,774.89, 1,215,428.67 and 498,804.42

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Solution

The fourth proportional to 880,774.89, 1,215,428.67 and 498,804.42 is: 688,327.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,774.89 : 1,215,428.67 = 498,804.42 : x
  2. Step 2: Convert to fraction form
    880,774.89/1,215,428.67 = 498,804.42/x
  3. Step 3: Cross multiply
    880,774.89x = 1,215,428.67 × 498,804.42
  4. Step 4: Simplify right side
    880,774.89x = 606,261,192,790.72
  5. Step 5: Solve for x
    x = 606,261,192,790.72/880,774.89
  6. Step 6: Final answer
    x = 688,327.06

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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.