Home / 873,605.46-1,310,789.76-305,394.51

Finding the Fourth Proportional to 873,605.46, 1,310,789.76 and 305,394.51

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Solution

The fourth proportional to 873,605.46, 1,310,789.76 and 305,394.51 is: 458,225.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,605.46 : 1,310,789.76 = 305,394.51 : x
  2. Step 2: Convert to fraction form
    873,605.46/1,310,789.76 = 305,394.51/x
  3. Step 3: Cross multiply
    873,605.46x = 1,310,789.76 × 305,394.51
  4. Step 4: Simplify right side
    873,605.46x = 400,307,996,468.22
  5. Step 5: Solve for x
    x = 400,307,996,468.22/873,605.46
  6. Step 6: Final answer
    x = 458,225.15

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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.