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Finding the Fourth Proportional to 677,550.79, 935,013.72 and 371,620.95

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Solution

The fourth proportional to 677,550.79, 935,013.72 and 371,620.95 is: 512,833.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,550.79 : 935,013.72 = 371,620.95 : x
  2. Step 2: Convert to fraction form
    677,550.79/935,013.72 = 371,620.95/x
  3. Step 3: Cross multiply
    677,550.79x = 935,013.72 × 371,620.95
  4. Step 4: Simplify right side
    677,550.79x = 347,470,686,889.43
  5. Step 5: Solve for x
    x = 347,470,686,889.43/677,550.79
  6. Step 6: Final answer
    x = 512,833.42

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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.