Home / 667,704.30-1,002,557.08-578,023.64

Finding the Fourth Proportional to 667,704.30, 1,002,557.08 and 578,023.64

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Solution

The fourth proportional to 667,704.30, 1,002,557.08 and 578,023.64 is: 867,901.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,704.30 : 1,002,557.08 = 578,023.64 : x
  2. Step 2: Convert to fraction form
    667,704.30/1,002,557.08 = 578,023.64/x
  3. Step 3: Cross multiply
    667,704.30x = 1,002,557.08 × 578,023.64
  4. Step 4: Simplify right side
    667,704.30x = 579,501,692,689.37
  5. Step 5: Solve for x
    x = 579,501,692,689.37/667,704.30
  6. Step 6: Final answer
    x = 867,901.69

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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.