Home / 839,752.64-1,259,628.94-278,787.14

Finding the Fourth Proportional to 839,752.64, 1,259,628.94 and 278,787.14

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Solution

The fourth proportional to 839,752.64, 1,259,628.94 and 278,787.14 is: 418,180.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,752.64 : 1,259,628.94 = 278,787.14 : x
  2. Step 2: Convert to fraction form
    839,752.64/1,259,628.94 = 278,787.14/x
  3. Step 3: Cross multiply
    839,752.64x = 1,259,628.94 × 278,787.14
  4. Step 4: Simplify right side
    839,752.64x = 351,168,348,417.78
  5. Step 5: Solve for x
    x = 351,168,348,417.78/839,752.64
  6. Step 6: Final answer
    x = 418,180.70

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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.