Home / 839,118.18-1,258,179.38-333,407.82

Finding the Fourth Proportional to 839,118.18, 1,258,179.38 and 333,407.82

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Solution

The fourth proportional to 839,118.18, 1,258,179.38 and 333,407.82 is: 499,913.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,118.18 : 1,258,179.38 = 333,407.82 : x
  2. Step 2: Convert to fraction form
    839,118.18/1,258,179.38 = 333,407.82/x
  3. Step 3: Cross multiply
    839,118.18x = 1,258,179.38 × 333,407.82
  4. Step 4: Simplify right side
    839,118.18x = 419,486,844,254.75
  5. Step 5: Solve for x
    x = 419,486,844,254.75/839,118.18
  6. Step 6: Final answer
    x = 499,913.90

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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.