Home / 690,880.45-1,036,320.68-241,451.95

Finding the Fourth Proportional to 690,880.45, 1,036,320.68 and 241,451.95

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Solution

The fourth proportional to 690,880.45, 1,036,320.68 and 241,451.95 is: 362,177.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,880.45 : 1,036,320.68 = 241,451.95 : x
  2. Step 2: Convert to fraction form
    690,880.45/1,036,320.68 = 241,451.95/x
  3. Step 3: Cross multiply
    690,880.45x = 1,036,320.68 × 241,451.95
  4. Step 4: Simplify right side
    690,880.45x = 250,221,649,011.33
  5. Step 5: Solve for x
    x = 250,221,649,011.33/690,880.45
  6. Step 6: Final answer
    x = 362,177.93

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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.