Home / 785,998.20-1,179,246.41-280,547.98

Finding the Fourth Proportional to 785,998.20, 1,179,246.41 and 280,547.98

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Solution

The fourth proportional to 785,998.20, 1,179,246.41 and 280,547.98 is: 420,910.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,998.20 : 1,179,246.41 = 280,547.98 : x
  2. Step 2: Convert to fraction form
    785,998.20/1,179,246.41 = 280,547.98/x
  3. Step 3: Cross multiply
    785,998.20x = 1,179,246.41 × 280,547.98
  4. Step 4: Simplify right side
    785,998.20x = 330,835,198,247.75
  5. Step 5: Solve for x
    x = 330,835,198,247.75/785,998.20
  6. Step 6: Final answer
    x = 420,910.89

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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.