Home / 711,758.18-982,197.01-425,436.14

Finding the Fourth Proportional to 711,758.18, 982,197.01 and 425,436.14

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Solution

The fourth proportional to 711,758.18, 982,197.01 and 425,436.14 is: 587,084.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,758.18 : 982,197.01 = 425,436.14 : x
  2. Step 2: Convert to fraction form
    711,758.18/982,197.01 = 425,436.14/x
  3. Step 3: Cross multiply
    711,758.18x = 982,197.01 × 425,436.14
  4. Step 4: Simplify right side
    711,758.18x = 417,862,104,653.94
  5. Step 5: Solve for x
    x = 417,862,104,653.94/711,758.18
  6. Step 6: Final answer
    x = 587,084.37

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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.