Home / 721,568.16-1,082,032.30-384,546

Finding the Fourth Proportional to 721,568.16, 1,082,032.30 and 384,546

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Solution

The fourth proportional to 721,568.16, 1,082,032.30 and 384,546 is: 576,648.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,568.16 : 1,082,032.30 = 384,546 : x
  2. Step 2: Convert to fraction form
    721,568.16/1,082,032.30 = 384,546/x
  3. Step 3: Cross multiply
    721,568.16x = 1,082,032.30 × 384,546
  4. Step 4: Simplify right side
    721,568.16x = 416,091,192,835.80
  5. Step 5: Solve for x
    x = 416,091,192,835.80/721,568.16
  6. Step 6: Final answer
    x = 576,648.49

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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.