Home / 824,633.28-1,236,086.52-345,135.84

Finding the Fourth Proportional to 824,633.28, 1,236,086.52 and 345,135.84

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Solution

The fourth proportional to 824,633.28, 1,236,086.52 and 345,135.84 is: 517,342.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,633.28 : 1,236,086.52 = 345,135.84 : x
  2. Step 2: Convert to fraction form
    824,633.28/1,236,086.52 = 345,135.84/x
  3. Step 3: Cross multiply
    824,633.28x = 1,236,086.52 × 345,135.84
  4. Step 4: Simplify right side
    824,633.28x = 426,617,759,392.88
  5. Step 5: Solve for x
    x = 426,617,759,392.88/824,633.28
  6. Step 6: Final answer
    x = 517,342.40

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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.