Home / 721,553.69-1,082,704.04-523,508.69

Finding the Fourth Proportional to 721,553.69, 1,082,704.04 and 523,508.69

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Solution

The fourth proportional to 721,553.69, 1,082,704.04 and 523,508.69 is: 785,534.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,553.69 : 1,082,704.04 = 523,508.69 : x
  2. Step 2: Convert to fraction form
    721,553.69/1,082,704.04 = 523,508.69/x
  3. Step 3: Cross multiply
    721,553.69x = 1,082,704.04 × 523,508.69
  4. Step 4: Simplify right side
    721,553.69x = 566,804,973,638.11
  5. Step 5: Solve for x
    x = 566,804,973,638.11/721,553.69
  6. Step 6: Final answer
    x = 785,534.02

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1.5x scale

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.