Home / 827,164.59-1,239,003.15-378,263.21

Finding the Fourth Proportional to 827,164.59, 1,239,003.15 and 378,263.21

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Solution

The fourth proportional to 827,164.59, 1,239,003.15 and 378,263.21 is: 566,597.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,164.59 : 1,239,003.15 = 378,263.21 : x
  2. Step 2: Convert to fraction form
    827,164.59/1,239,003.15 = 378,263.21/x
  3. Step 3: Cross multiply
    827,164.59x = 1,239,003.15 × 378,263.21
  4. Step 4: Simplify right side
    827,164.59x = 468,669,302,524.10
  5. Step 5: Solve for x
    x = 468,669,302,524.10/827,164.59
  6. Step 6: Final answer
    x = 566,597.40

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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.