Home / 840,033.84-1,260,055.32-208,947.66

Finding the Fourth Proportional to 840,033.84, 1,260,055.32 and 208,947.66

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Solution

The fourth proportional to 840,033.84, 1,260,055.32 and 208,947.66 is: 313,422.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,033.84 : 1,260,055.32 = 208,947.66 : x
  2. Step 2: Convert to fraction form
    840,033.84/1,260,055.32 = 208,947.66/x
  3. Step 3: Cross multiply
    840,033.84x = 1,260,055.32 × 208,947.66
  4. Step 4: Simplify right side
    840,033.84x = 263,285,610,584.55
  5. Step 5: Solve for x
    x = 263,285,610,584.55/840,033.84
  6. Step 6: Final answer
    x = 313,422.62

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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.