Home / 813,336.75-1,219,723.65-333,428.30

Finding the Fourth Proportional to 813,336.75, 1,219,723.65 and 333,428.30

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Solution

The fourth proportional to 813,336.75, 1,219,723.65 and 333,428.30 is: 500,027.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,336.75 : 1,219,723.65 = 333,428.30 : x
  2. Step 2: Convert to fraction form
    813,336.75/1,219,723.65 = 333,428.30/x
  3. Step 3: Cross multiply
    813,336.75x = 1,219,723.65 × 333,428.30
  4. Step 4: Simplify right side
    813,336.75x = 406,690,383,089.30
  5. Step 5: Solve for x
    x = 406,690,383,089.30/813,336.75
  6. Step 6: Final answer
    x = 500,027.06

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1.5x scale

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.