Home / 906,207.12-1,250,645.49-498,380.82

Finding the Fourth Proportional to 906,207.12, 1,250,645.49 and 498,380.82

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Solution

The fourth proportional to 906,207.12, 1,250,645.49 and 498,380.82 is: 687,809.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,207.12 : 1,250,645.49 = 498,380.82 : x
  2. Step 2: Convert to fraction form
    906,207.12/1,250,645.49 = 498,380.82/x
  3. Step 3: Cross multiply
    906,207.12x = 1,250,645.49 × 498,380.82
  4. Step 4: Simplify right side
    906,207.12x = 623,297,724,835.50
  5. Step 5: Solve for x
    x = 623,297,724,835.50/906,207.12
  6. Step 6: Final answer
    x = 687,809.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.