Home / 818,357.38-1,227,825.51-286,025.38

Finding the Fourth Proportional to 818,357.38, 1,227,825.51 and 286,025.38

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Solution

The fourth proportional to 818,357.38, 1,227,825.51 and 286,025.38 is: 429,139.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,357.38 : 1,227,825.51 = 286,025.38 : x
  2. Step 2: Convert to fraction form
    818,357.38/1,227,825.51 = 286,025.38/x
  3. Step 3: Cross multiply
    818,357.38x = 1,227,825.51 × 286,025.38
  4. Step 4: Simplify right side
    818,357.38x = 351,189,258,071.44
  5. Step 5: Solve for x
    x = 351,189,258,071.44/818,357.38
  6. Step 6: Final answer
    x = 429,139.23

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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.