Home / 817,674.45-1,226,511.68-463,380.45

Finding the Fourth Proportional to 817,674.45, 1,226,511.68 and 463,380.45

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Solution

The fourth proportional to 817,674.45, 1,226,511.68 and 463,380.45 is: 695,070.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,674.45 : 1,226,511.68 = 463,380.45 : x
  2. Step 2: Convert to fraction form
    817,674.45/1,226,511.68 = 463,380.45/x
  3. Step 3: Cross multiply
    817,674.45x = 1,226,511.68 × 463,380.45
  4. Step 4: Simplify right side
    817,674.45x = 568,341,531,891.75
  5. Step 5: Solve for x
    x = 568,341,531,891.75/817,674.45
  6. Step 6: Final answer
    x = 695,070.68

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Similar ratio
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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.