Home / 918,236.73-1,377,379.74-287,150.52

Finding the Fourth Proportional to 918,236.73, 1,377,379.74 and 287,150.52

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Solution

The fourth proportional to 918,236.73, 1,377,379.74 and 287,150.52 is: 430,733.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,236.73 : 1,377,379.74 = 287,150.52 : x
  2. Step 2: Convert to fraction form
    918,236.73/1,377,379.74 = 287,150.52/x
  3. Step 3: Cross multiply
    918,236.73x = 1,377,379.74 × 287,150.52
  4. Step 4: Simplify right side
    918,236.73x = 395,515,308,578.47
  5. Step 5: Solve for x
    x = 395,515,308,578.47/918,236.73
  6. Step 6: Final answer
    x = 430,733.49

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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.