Home / 812,202.01-1,120,802.42-449,600.24

Finding the Fourth Proportional to 812,202.01, 1,120,802.42 and 449,600.24

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Solution

The fourth proportional to 812,202.01, 1,120,802.42 and 449,600.24 is: 620,428.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,202.01 : 1,120,802.42 = 449,600.24 : x
  2. Step 2: Convert to fraction form
    812,202.01/1,120,802.42 = 449,600.24/x
  3. Step 3: Cross multiply
    812,202.01x = 1,120,802.42 × 449,600.24
  4. Step 4: Simplify right side
    812,202.01x = 503,913,040,950.59
  5. Step 5: Solve for x
    x = 503,913,040,950.59/812,202.01
  6. Step 6: Final answer
    x = 620,428.21

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Double scale
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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.