Home / 911,784.65-1,258,287.95-503,912.93

Finding the Fourth Proportional to 911,784.65, 1,258,287.95 and 503,912.93

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Solution

The fourth proportional to 911,784.65, 1,258,287.95 and 503,912.93 is: 695,413.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,784.65 : 1,258,287.95 = 503,912.93 : x
  2. Step 2: Convert to fraction form
    911,784.65/1,258,287.95 = 503,912.93/x
  3. Step 3: Cross multiply
    911,784.65x = 1,258,287.95 × 503,912.93
  4. Step 4: Simplify right side
    911,784.65x = 634,067,562,636.54
  5. Step 5: Solve for x
    x = 634,067,562,636.54/911,784.65
  6. Step 6: Final answer
    x = 695,413.73

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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.