Home / 898,396.20-1,346,428.86-365,296.68

Finding the Fourth Proportional to 898,396.20, 1,346,428.86 and 365,296.68

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Solution

The fourth proportional to 898,396.20, 1,346,428.86 and 365,296.68 is: 547,471.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,396.20 : 1,346,428.86 = 365,296.68 : x
  2. Step 2: Convert to fraction form
    898,396.20/1,346,428.86 = 365,296.68/x
  3. Step 3: Cross multiply
    898,396.20x = 1,346,428.86 × 365,296.68
  4. Step 4: Simplify right side
    898,396.20x = 491,845,992,414.19
  5. Step 5: Solve for x
    x = 491,845,992,414.19/898,396.20
  6. Step 6: Final answer
    x = 547,471.14

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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.