Home / 828,935.86-1,243,403.72-229,897.01

Finding the Fourth Proportional to 828,935.86, 1,243,403.72 and 229,897.01

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Solution

The fourth proportional to 828,935.86, 1,243,403.72 and 229,897.01 is: 344,845.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,935.86 : 1,243,403.72 = 229,897.01 : x
  2. Step 2: Convert to fraction form
    828,935.86/1,243,403.72 = 229,897.01/x
  3. Step 3: Cross multiply
    828,935.86x = 1,243,403.72 × 229,897.01
  4. Step 4: Simplify right side
    828,935.86x = 285,854,800,272.02
  5. Step 5: Solve for x
    x = 285,854,800,272.02/828,935.86
  6. Step 6: Final answer
    x = 344,845.50

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Double scale
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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.