Home / 448,680.41-671,440.83-280,280.04

Finding the Fourth Proportional to 448,680.41, 671,440.83 and 280,280.04

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Solution

The fourth proportional to 448,680.41, 671,440.83 and 280,280.04 is: 419,433.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,680.41 : 671,440.83 = 280,280.04 : x
  2. Step 2: Convert to fraction form
    448,680.41/671,440.83 = 280,280.04/x
  3. Step 3: Cross multiply
    448,680.41x = 671,440.83 × 280,280.04
  4. Step 4: Simplify right side
    448,680.41x = 188,191,462,690.03
  5. Step 5: Solve for x
    x = 188,191,462,690.03/448,680.41
  6. Step 6: Final answer
    x = 419,433.21

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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.