Home / 828,373.98-1,242,415.16-221,169.83

Finding the Fourth Proportional to 828,373.98, 1,242,415.16 and 221,169.83

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Solution

The fourth proportional to 828,373.98, 1,242,415.16 and 221,169.83 is: 331,715.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,373.98 : 1,242,415.16 = 221,169.83 : x
  2. Step 2: Convert to fraction form
    828,373.98/1,242,415.16 = 221,169.83/x
  3. Step 3: Cross multiply
    828,373.98x = 1,242,415.16 × 221,169.83
  4. Step 4: Simplify right side
    828,373.98x = 274,784,749,726.62
  5. Step 5: Solve for x
    x = 274,784,749,726.62/828,373.98
  6. Step 6: Final answer
    x = 331,715.81

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Double scale
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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.