Home / 890,912.25-1,335,733.52-417,339.27

Finding the Fourth Proportional to 890,912.25, 1,335,733.52 and 417,339.27

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Solution

The fourth proportional to 890,912.25, 1,335,733.52 and 417,339.27 is: 625,711.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,912.25 : 1,335,733.52 = 417,339.27 : x
  2. Step 2: Convert to fraction form
    890,912.25/1,335,733.52 = 417,339.27/x
  3. Step 3: Cross multiply
    890,912.25x = 1,335,733.52 × 417,339.27
  4. Step 4: Simplify right side
    890,912.25x = 557,454,050,064.63
  5. Step 5: Solve for x
    x = 557,454,050,064.63/890,912.25
  6. Step 6: Final answer
    x = 625,711.51

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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.