Home / 913,286.86-1,260,842.61-550,802.92

Finding the Fourth Proportional to 913,286.86, 1,260,842.61 and 550,802.92

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Solution

The fourth proportional to 913,286.86, 1,260,842.61 and 550,802.92 is: 760,413.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,286.86 : 1,260,842.61 = 550,802.92 : x
  2. Step 2: Convert to fraction form
    913,286.86/1,260,842.61 = 550,802.92/x
  3. Step 3: Cross multiply
    913,286.86x = 1,260,842.61 × 550,802.92
  4. Step 4: Simplify right side
    913,286.86x = 694,475,791,248.42
  5. Step 5: Solve for x
    x = 694,475,791,248.42/913,286.86
  6. Step 6: Final answer
    x = 760,413.65

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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.