Home / 542,413.10-748,828.01-370,589.42

Finding the Fourth Proportional to 542,413.10, 748,828.01 and 370,589.42

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Solution

The fourth proportional to 542,413.10, 748,828.01 and 370,589.42 is: 511,616.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,413.10 : 748,828.01 = 370,589.42 : x
  2. Step 2: Convert to fraction form
    542,413.10/748,828.01 = 370,589.42/x
  3. Step 3: Cross multiply
    542,413.10x = 748,828.01 × 370,589.42
  4. Step 4: Simplify right side
    542,413.10x = 277,507,737,905.65
  5. Step 5: Solve for x
    x = 277,507,737,905.65/542,413.10
  6. Step 6: Final answer
    x = 511,616.95

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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.