Home / 688,258.08-949,947.84-382,439.34

Finding the Fourth Proportional to 688,258.08, 949,947.84 and 382,439.34

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Solution

The fourth proportional to 688,258.08, 949,947.84 and 382,439.34 is: 527,850.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,258.08 : 949,947.84 = 382,439.34 : x
  2. Step 2: Convert to fraction form
    688,258.08/949,947.84 = 382,439.34/x
  3. Step 3: Cross multiply
    688,258.08x = 949,947.84 × 382,439.34
  4. Step 4: Simplify right side
    688,258.08x = 363,297,424,964.03
  5. Step 5: Solve for x
    x = 363,297,424,964.03/688,258.08
  6. Step 6: Final answer
    x = 527,850.58

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.