Home / 791,806.08-1,187,731.80-286,413.60

Finding the Fourth Proportional to 791,806.08, 1,187,731.80 and 286,413.60

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Solution

The fourth proportional to 791,806.08, 1,187,731.80 and 286,413.60 is: 429,628.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,806.08 : 1,187,731.80 = 286,413.60 : x
  2. Step 2: Convert to fraction form
    791,806.08/1,187,731.80 = 286,413.60/x
  3. Step 3: Cross multiply
    791,806.08x = 1,187,731.80 × 286,413.60
  4. Step 4: Simplify right side
    791,806.08x = 340,182,540,672.48
  5. Step 5: Solve for x
    x = 340,182,540,672.48/791,806.08
  6. Step 6: Final answer
    x = 429,628.60

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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.