Home / 659,254.06-988,294.59-238,436.38

Finding the Fourth Proportional to 659,254.06, 988,294.59 and 238,436.38

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Solution

The fourth proportional to 659,254.06, 988,294.59 and 238,436.38 is: 357,442.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,254.06 : 988,294.59 = 238,436.38 : x
  2. Step 2: Convert to fraction form
    659,254.06/988,294.59 = 238,436.38/x
  3. Step 3: Cross multiply
    659,254.06x = 988,294.59 × 238,436.38
  4. Step 4: Simplify right side
    659,254.06x = 235,645,384,413.18
  5. Step 5: Solve for x
    x = 235,645,384,413.18/659,254.06
  6. Step 6: Final answer
    x = 357,442.45

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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.