Home / 812,537.44-1,121,116.08-522,300.64

Finding the Fourth Proportional to 812,537.44, 1,121,116.08 and 522,300.64

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Solution

The fourth proportional to 812,537.44, 1,121,116.08 and 522,300.64 is: 720,655.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,537.44 : 1,121,116.08 = 522,300.64 : x
  2. Step 2: Convert to fraction form
    812,537.44/1,121,116.08 = 522,300.64/x
  3. Step 3: Cross multiply
    812,537.44x = 1,121,116.08 × 522,300.64
  4. Step 4: Simplify right side
    812,537.44x = 585,559,646,098.29
  5. Step 5: Solve for x
    x = 585,559,646,098.29/812,537.44
  6. Step 6: Final answer
    x = 720,655.59

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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.