Home / 722,428.79-1,082,886.62-242,538.81

Finding the Fourth Proportional to 722,428.79, 1,082,886.62 and 242,538.81

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Solution

The fourth proportional to 722,428.79, 1,082,886.62 and 242,538.81 is: 363,554.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,428.79 : 1,082,886.62 = 242,538.81 : x
  2. Step 2: Convert to fraction form
    722,428.79/1,082,886.62 = 242,538.81/x
  3. Step 3: Cross multiply
    722,428.79x = 1,082,886.62 × 242,538.81
  4. Step 4: Simplify right side
    722,428.79x = 262,642,028,270.48
  5. Step 5: Solve for x
    x = 262,642,028,270.48/722,428.79
  6. Step 6: Final answer
    x = 363,554.21

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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.