Home / 676,629.27-933,518.49-386,032.08

Finding the Fourth Proportional to 676,629.27, 933,518.49 and 386,032.08

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Solution

The fourth proportional to 676,629.27, 933,518.49 and 386,032.08 is: 532,593.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,629.27 : 933,518.49 = 386,032.08 : x
  2. Step 2: Convert to fraction form
    676,629.27/933,518.49 = 386,032.08/x
  3. Step 3: Cross multiply
    676,629.27x = 933,518.49 × 386,032.08
  4. Step 4: Simplify right side
    676,629.27x = 360,368,084,413.16
  5. Step 5: Solve for x
    x = 360,368,084,413.16/676,629.27
  6. Step 6: Final answer
    x = 532,593.11

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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.