Home / 855,193.92-1,281,799.44-322,373.76

Finding the Fourth Proportional to 855,193.92, 1,281,799.44 and 322,373.76

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Solution

The fourth proportional to 855,193.92, 1,281,799.44 and 322,373.76 is: 483,186.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,193.92 : 1,281,799.44 = 322,373.76 : x
  2. Step 2: Convert to fraction form
    855,193.92/1,281,799.44 = 322,373.76/x
  3. Step 3: Cross multiply
    855,193.92x = 1,281,799.44 × 322,373.76
  4. Step 4: Simplify right side
    855,193.92x = 413,218,505,038.69
  5. Step 5: Solve for x
    x = 413,218,505,038.69/855,193.92
  6. Step 6: Final answer
    x = 483,186.91

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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.