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Finding the Fourth Proportional to 674,765.77, 931,176.73 and 368,843.44

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Solution

The fourth proportional to 674,765.77, 931,176.73 and 368,843.44 is: 509,003.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,765.77 : 931,176.73 = 368,843.44 : x
  2. Step 2: Convert to fraction form
    674,765.77/931,176.73 = 368,843.44/x
  3. Step 3: Cross multiply
    674,765.77x = 931,176.73 × 368,843.44
  4. Step 4: Simplify right side
    674,765.77x = 343,458,426,496.93
  5. Step 5: Solve for x
    x = 343,458,426,496.93/674,765.77
  6. Step 6: Final answer
    x = 509,003.93

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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.