Home / 691,476-1,037,622.24-292,090.92

Finding the Fourth Proportional to 691,476, 1,037,622.24 and 292,090.92

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Solution

The fourth proportional to 691,476, 1,037,622.24 and 292,090.92 is: 438,308.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,476 : 1,037,622.24 = 292,090.92 : x
  2. Step 2: Convert to fraction form
    691,476/1,037,622.24 = 292,090.92/x
  3. Step 3: Cross multiply
    691,476x = 1,037,622.24 × 292,090.92
  4. Step 4: Simplify right side
    691,476x = 303,080,034,694.06
  5. Step 5: Solve for x
    x = 303,080,034,694.06/691,476
  6. Step 6: Final answer
    x = 438,308.83

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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.