Home / 948,576.57-1,309,007.84-518,847.41

Finding the Fourth Proportional to 948,576.57, 1,309,007.84 and 518,847.41

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Solution

The fourth proportional to 948,576.57, 1,309,007.84 and 518,847.41 is: 715,994.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,576.57 : 1,309,007.84 = 518,847.41 : x
  2. Step 2: Convert to fraction form
    948,576.57/1,309,007.84 = 518,847.41/x
  3. Step 3: Cross multiply
    948,576.57x = 1,309,007.84 × 518,847.41
  4. Step 4: Simplify right side
    948,576.57x = 679,175,318,314.42
  5. Step 5: Solve for x
    x = 679,175,318,314.42/948,576.57
  6. Step 6: Final answer
    x = 715,994.20

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Why These Related Problems?

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