Home / 624,632.20-937,385.70-400,537.60

Finding the Fourth Proportional to 624,632.20, 937,385.70 and 400,537.60

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Solution

The fourth proportional to 624,632.20, 937,385.70 and 400,537.60 is: 601,086.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,632.20 : 937,385.70 = 400,537.60 : x
  2. Step 2: Convert to fraction form
    624,632.20/937,385.70 = 400,537.60/x
  3. Step 3: Cross multiply
    624,632.20x = 937,385.70 × 400,537.60
  4. Step 4: Simplify right side
    624,632.20x = 375,458,218,552.32
  5. Step 5: Solve for x
    x = 375,458,218,552.32/624,632.20
  6. Step 6: Final answer
    x = 601,086.88

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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.