Home / 839,079.20-1,258,801.08-306,599.44

Finding the Fourth Proportional to 839,079.20, 1,258,801.08 and 306,599.44

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Solution

The fourth proportional to 839,079.20, 1,258,801.08 and 306,599.44 is: 459,965.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,079.20 : 1,258,801.08 = 306,599.44 : x
  2. Step 2: Convert to fraction form
    839,079.20/1,258,801.08 = 306,599.44/x
  3. Step 3: Cross multiply
    839,079.20x = 1,258,801.08 × 306,599.44
  4. Step 4: Simplify right side
    839,079.20x = 385,947,706,199.40
  5. Step 5: Solve for x
    x = 385,947,706,199.40/839,079.20
  6. Step 6: Final answer
    x = 459,965.77

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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.