Home / 722,209.30-1,082,671.52-342,896.02

Finding the Fourth Proportional to 722,209.30, 1,082,671.52 and 342,896.02

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Solution

The fourth proportional to 722,209.30, 1,082,671.52 and 342,896.02 is: 514,039.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,209.30 : 1,082,671.52 = 342,896.02 : x
  2. Step 2: Convert to fraction form
    722,209.30/1,082,671.52 = 342,896.02/x
  3. Step 3: Cross multiply
    722,209.30x = 1,082,671.52 × 342,896.02
  4. Step 4: Simplify right side
    722,209.30x = 371,243,750,754.19
  5. Step 5: Solve for x
    x = 371,243,750,754.19/722,209.30
  6. Step 6: Final answer
    x = 514,039.01

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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.