Home / 852,551.38-1,274,942.40-636,561.21

Finding the Fourth Proportional to 852,551.38, 1,274,942.40 and 636,561.21

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Solution

The fourth proportional to 852,551.38, 1,274,942.40 and 636,561.21 is: 951,941.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,551.38 : 1,274,942.40 = 636,561.21 : x
  2. Step 2: Convert to fraction form
    852,551.38/1,274,942.40 = 636,561.21/x
  3. Step 3: Cross multiply
    852,551.38x = 1,274,942.40 × 636,561.21
  4. Step 4: Simplify right side
    852,551.38x = 811,578,873,831.89
  5. Step 5: Solve for x
    x = 811,578,873,831.89/852,551.38
  6. Step 6: Final answer
    x = 951,941.31

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1.5x scale

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.