Home / 817,850.42-1,226,705.16-497,919.46

Finding the Fourth Proportional to 817,850.42, 1,226,705.16 and 497,919.46

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Solution

The fourth proportional to 817,850.42, 1,226,705.16 and 497,919.46 is: 746,836.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,850.42 : 1,226,705.16 = 497,919.46 : x
  2. Step 2: Convert to fraction form
    817,850.42/1,226,705.16 = 497,919.46/x
  3. Step 3: Cross multiply
    817,850.42x = 1,226,705.16 × 497,919.46
  4. Step 4: Simplify right side
    817,850.42x = 610,800,370,846.41
  5. Step 5: Solve for x
    x = 610,800,370,846.41/817,850.42
  6. Step 6: Final answer
    x = 746,836.29

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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.