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Finding the Fourth Proportional to 663,252.22, 915,028.22 and 408,160.54

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Solution

The fourth proportional to 663,252.22, 915,028.22 and 408,160.54 is: 563,101.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,252.22 : 915,028.22 = 408,160.54 : x
  2. Step 2: Convert to fraction form
    663,252.22/915,028.22 = 408,160.54/x
  3. Step 3: Cross multiply
    663,252.22x = 915,028.22 × 408,160.54
  4. Step 4: Simplify right side
    663,252.22x = 373,478,412,390.44
  5. Step 5: Solve for x
    x = 373,478,412,390.44/663,252.22
  6. Step 6: Final answer
    x = 563,101.64

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1.5x scale

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.