Home / 472,824.49-652,497.15-257,964.55

Finding the Fourth Proportional to 472,824.49, 652,497.15 and 257,964.55

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Solution

The fourth proportional to 472,824.49, 652,497.15 and 257,964.55 is: 355,990.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,824.49 : 652,497.15 = 257,964.55 : x
  2. Step 2: Convert to fraction form
    472,824.49/652,497.15 = 257,964.55/x
  3. Step 3: Cross multiply
    472,824.49x = 652,497.15 × 257,964.55
  4. Step 4: Simplify right side
    472,824.49x = 168,321,135,768.89
  5. Step 5: Solve for x
    x = 168,321,135,768.89/472,824.49
  6. Step 6: Final answer
    x = 355,990.73

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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.