Home / 864,353.11-1,296,532.74-265,314.31

Finding the Fourth Proportional to 864,353.11, 1,296,532.74 and 265,314.31

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Solution

The fourth proportional to 864,353.11, 1,296,532.74 and 265,314.31 is: 397,972.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,353.11 : 1,296,532.74 = 265,314.31 : x
  2. Step 2: Convert to fraction form
    864,353.11/1,296,532.74 = 265,314.31/x
  3. Step 3: Cross multiply
    864,353.11x = 1,296,532.74 × 265,314.31
  4. Step 4: Simplify right side
    864,353.11x = 343,988,689,305.51
  5. Step 5: Solve for x
    x = 343,988,689,305.51/864,353.11
  6. Step 6: Final answer
    x = 397,972.41

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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.