Home / 739,546.64-1,020,553.58-417,286.72

Finding the Fourth Proportional to 739,546.64, 1,020,553.58 and 417,286.72

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Solution

The fourth proportional to 739,546.64, 1,020,553.58 and 417,286.72 is: 575,843.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,546.64 : 1,020,553.58 = 417,286.72 : x
  2. Step 2: Convert to fraction form
    739,546.64/1,020,553.58 = 417,286.72/x
  3. Step 3: Cross multiply
    739,546.64x = 1,020,553.58 × 417,286.72
  4. Step 4: Simplify right side
    739,546.64x = 425,863,455,982.46
  5. Step 5: Solve for x
    x = 425,863,455,982.46/739,546.64
  6. Step 6: Final answer
    x = 575,843.95

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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.