Home / 783,372.50-1,081,097.79-443,950.10

Finding the Fourth Proportional to 783,372.50, 1,081,097.79 and 443,950.10

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Solution

The fourth proportional to 783,372.50, 1,081,097.79 and 443,950.10 is: 612,675.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,372.50 : 1,081,097.79 = 443,950.10 : x
  2. Step 2: Convert to fraction form
    783,372.50/1,081,097.79 = 443,950.10/x
  3. Step 3: Cross multiply
    783,372.50x = 1,081,097.79 × 443,950.10
  4. Step 4: Simplify right side
    783,372.50x = 479,953,471,980.28
  5. Step 5: Solve for x
    x = 479,953,471,980.28/783,372.50
  6. Step 6: Final answer
    x = 612,675.93

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Why These Related Problems?

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