Home / 839,258.35-1,259,012.57-299,472.53

Finding the Fourth Proportional to 839,258.35, 1,259,012.57 and 299,472.53

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Solution

The fourth proportional to 839,258.35, 1,259,012.57 and 299,472.53 is: 449,253.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,258.35 : 1,259,012.57 = 299,472.53 : x
  2. Step 2: Convert to fraction form
    839,258.35/1,259,012.57 = 299,472.53/x
  3. Step 3: Cross multiply
    839,258.35x = 1,259,012.57 × 299,472.53
  4. Step 4: Simplify right side
    839,258.35x = 377,039,671,847.28
  5. Step 5: Solve for x
    x = 377,039,671,847.28/839,258.35
  6. Step 6: Final answer
    x = 449,253.41

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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.