Home / 484,488.30-668,588.65-269,624.74

Finding the Fourth Proportional to 484,488.30, 668,588.65 and 269,624.74

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Solution

The fourth proportional to 484,488.30, 668,588.65 and 269,624.74 is: 372,079.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,488.30 : 668,588.65 = 269,624.74 : x
  2. Step 2: Convert to fraction form
    484,488.30/668,588.65 = 269,624.74/x
  3. Step 3: Cross multiply
    484,488.30x = 668,588.65 × 269,624.74
  4. Step 4: Simplify right side
    484,488.30x = 180,268,040,923.20
  5. Step 5: Solve for x
    x = 180,268,040,923.20/484,488.30
  6. Step 6: Final answer
    x = 372,079.25

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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.