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Finding the Fourth Proportional to 542,413.60, 748,828.70 and 370,589.92

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Solution

The fourth proportional to 542,413.60, 748,828.70 and 370,589.92 is: 511,617.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,413.60 : 748,828.70 = 370,589.92 : x
  2. Step 2: Convert to fraction form
    542,413.60/748,828.70 = 370,589.92/x
  3. Step 3: Cross multiply
    542,413.60x = 748,828.70 × 370,589.92
  4. Step 4: Simplify right side
    542,413.60x = 277,508,368,026.70
  5. Step 5: Solve for x
    x = 277,508,368,026.70/542,413.60
  6. Step 6: Final answer
    x = 511,617.64

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1.5x scale

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.