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Finding the Fourth Proportional to 647,962.17, 894,188.18 and 361,482.26

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Solution

The fourth proportional to 647,962.17, 894,188.18 and 361,482.26 is: 498,845.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,962.17 : 894,188.18 = 361,482.26 : x
  2. Step 2: Convert to fraction form
    647,962.17/894,188.18 = 361,482.26/x
  3. Step 3: Cross multiply
    647,962.17x = 894,188.18 × 361,482.26
  4. Step 4: Simplify right side
    647,962.17x = 323,233,164,171.69
  5. Step 5: Solve for x
    x = 323,233,164,171.69/647,962.17
  6. Step 6: Final answer
    x = 498,845.73

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1.5x scale

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.