Home / 722,209.11-1,082,671.23-342,895.83

Finding the Fourth Proportional to 722,209.11, 1,082,671.23 and 342,895.83

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Solution

The fourth proportional to 722,209.11, 1,082,671.23 and 342,895.83 is: 514,038.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,209.11 : 1,082,671.23 = 342,895.83 : x
  2. Step 2: Convert to fraction form
    722,209.11/1,082,671.23 = 342,895.83/x
  3. Step 3: Cross multiply
    722,209.11x = 1,082,671.23 × 342,895.83
  4. Step 4: Simplify right side
    722,209.11x = 371,243,450,027.97
  5. Step 5: Solve for x
    x = 371,243,450,027.97/722,209.11
  6. Step 6: Final answer
    x = 514,038.72

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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.