Home / 807,565.20-1,210,910.40-333,715.20

Finding the Fourth Proportional to 807,565.20, 1,210,910.40 and 333,715.20

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Solution

The fourth proportional to 807,565.20, 1,210,910.40 and 333,715.20 is: 500,392.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,565.20 : 1,210,910.40 = 333,715.20 : x
  2. Step 2: Convert to fraction form
    807,565.20/1,210,910.40 = 333,715.20/x
  3. Step 3: Cross multiply
    807,565.20x = 1,210,910.40 × 333,715.20
  4. Step 4: Simplify right side
    807,565.20x = 404,099,206,318.08
  5. Step 5: Solve for x
    x = 404,099,206,318.08/807,565.20
  6. Step 6: Final answer
    x = 500,392.05

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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.