Home / 829,210.61-1,243,811.82-323,822.93

Finding the Fourth Proportional to 829,210.61, 1,243,811.82 and 323,822.93

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Solution

The fourth proportional to 829,210.61, 1,243,811.82 and 323,822.93 is: 485,732.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,210.61 : 1,243,811.82 = 323,822.93 : x
  2. Step 2: Convert to fraction form
    829,210.61/1,243,811.82 = 323,822.93/x
  3. Step 3: Cross multiply
    829,210.61x = 1,243,811.82 × 323,822.93
  4. Step 4: Simplify right side
    829,210.61x = 402,774,781,701.97
  5. Step 5: Solve for x
    x = 402,774,781,701.97/829,210.61
  6. Step 6: Final answer
    x = 485,732.79

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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.