Home / 624,626.20-937,376.70-400,531.60

Finding the Fourth Proportional to 624,626.20, 937,376.70 and 400,531.60

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Solution

The fourth proportional to 624,626.20, 937,376.70 and 400,531.60 is: 601,077.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,626.20 : 937,376.70 = 400,531.60 : x
  2. Step 2: Convert to fraction form
    624,626.20/937,376.70 = 400,531.60/x
  3. Step 3: Cross multiply
    624,626.20x = 937,376.70 × 400,531.60
  4. Step 4: Simplify right side
    624,626.20x = 375,448,989,453.72
  5. Step 5: Solve for x
    x = 375,448,989,453.72/624,626.20
  6. Step 6: Final answer
    x = 601,077.88

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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.