Home / 938,340.20-1,407,510.44-228,368.24

Finding the Fourth Proportional to 938,340.20, 1,407,510.44 and 228,368.24

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Solution

The fourth proportional to 938,340.20, 1,407,510.44 and 228,368.24 is: 342,552.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,340.20 : 1,407,510.44 = 228,368.24 : x
  2. Step 2: Convert to fraction form
    938,340.20/1,407,510.44 = 228,368.24/x
  3. Step 3: Cross multiply
    938,340.20x = 1,407,510.44 × 228,368.24
  4. Step 4: Simplify right side
    938,340.20x = 321,430,673,785.03
  5. Step 5: Solve for x
    x = 321,430,673,785.03/938,340.20
  6. Step 6: Final answer
    x = 342,552.39

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Half scale
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Double scale
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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.