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Finding the Fourth Proportional to 624,673.70, 937,010.55 and 225,376.10

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Solution

The fourth proportional to 624,673.70, 937,010.55 and 225,376.10 is: 338,064.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,673.70 : 937,010.55 = 225,376.10 : x
  2. Step 2: Convert to fraction form
    624,673.70/937,010.55 = 225,376.10/x
  3. Step 3: Cross multiply
    624,673.70x = 937,010.55 × 225,376.10
  4. Step 4: Simplify right side
    624,673.70x = 211,179,783,417.86
  5. Step 5: Solve for x
    x = 211,179,783,417.86/624,673.70
  6. Step 6: Final answer
    x = 338,064.15

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Similar ratio
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1.5x scale

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.