Home / 918,576.22-1,374,916.34-491,043.24

Finding the Fourth Proportional to 918,576.22, 1,374,916.34 and 491,043.24

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Solution

The fourth proportional to 918,576.22, 1,374,916.34 and 491,043.24 is: 734,988.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,576.22 : 1,374,916.34 = 491,043.24 : x
  2. Step 2: Convert to fraction form
    918,576.22/1,374,916.34 = 491,043.24/x
  3. Step 3: Cross multiply
    918,576.22x = 1,374,916.34 × 491,043.24
  4. Step 4: Simplify right side
    918,576.22x = 675,143,374,322.54
  5. Step 5: Solve for x
    x = 675,143,374,322.54/918,576.22
  6. Step 6: Final answer
    x = 734,988.95

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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.