Home / 907,039.73-1,251,683.44-499,103.41

Finding the Fourth Proportional to 907,039.73, 1,251,683.44 and 499,103.41

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Solution

The fourth proportional to 907,039.73, 1,251,683.44 and 499,103.41 is: 688,745.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,039.73 : 1,251,683.44 = 499,103.41 : x
  2. Step 2: Convert to fraction form
    907,039.73/1,251,683.44 = 499,103.41/x
  3. Step 3: Cross multiply
    907,039.73x = 1,251,683.44 × 499,103.41
  4. Step 4: Simplify right side
    907,039.73x = 624,719,473,144.53
  5. Step 5: Solve for x
    x = 624,719,473,144.53/907,039.73
  6. Step 6: Final answer
    x = 688,745.43

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Double scale
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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.