Home / 677,206.92-1,014,919.14-377,828.46

Finding the Fourth Proportional to 677,206.92, 1,014,919.14 and 377,828.46

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Solution

The fourth proportional to 677,206.92, 1,014,919.14 and 377,828.46 is: 566,245.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,206.92 : 1,014,919.14 = 377,828.46 : x
  2. Step 2: Convert to fraction form
    677,206.92/1,014,919.14 = 377,828.46/x
  3. Step 3: Cross multiply
    677,206.92x = 1,014,919.14 × 377,828.46
  4. Step 4: Simplify right side
    677,206.92x = 383,465,335,690.72
  5. Step 5: Solve for x
    x = 383,465,335,690.72/677,206.92
  6. Step 6: Final answer
    x = 566,245.45

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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.