Home / 829,083.10-1,243,624.65-268,519.90

Finding the Fourth Proportional to 829,083.10, 1,243,624.65 and 268,519.90

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Solution

The fourth proportional to 829,083.10, 1,243,624.65 and 268,519.90 is: 402,779.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,083.10 : 1,243,624.65 = 268,519.90 : x
  2. Step 2: Convert to fraction form
    829,083.10/1,243,624.65 = 268,519.90/x
  3. Step 3: Cross multiply
    829,083.10x = 1,243,624.65 × 268,519.90
  4. Step 4: Simplify right side
    829,083.10x = 333,937,966,655.54
  5. Step 5: Solve for x
    x = 333,937,966,655.54/829,083.10
  6. Step 6: Final answer
    x = 402,779.85

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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.