Home / 679,628.88-1,019,451.69-295,288.74

Finding the Fourth Proportional to 679,628.88, 1,019,451.69 and 295,288.74

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Solution

The fourth proportional to 679,628.88, 1,019,451.69 and 295,288.74 is: 442,936.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,628.88 : 1,019,451.69 = 295,288.74 : x
  2. Step 2: Convert to fraction form
    679,628.88/1,019,451.69 = 295,288.74/x
  3. Step 3: Cross multiply
    679,628.88x = 1,019,451.69 × 295,288.74
  4. Step 4: Simplify right side
    679,628.88x = 301,032,605,030.97
  5. Step 5: Solve for x
    x = 301,032,605,030.97/679,628.88
  6. Step 6: Final answer
    x = 442,936.75

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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.