Home / 920,536.20-1,379,508.30-731,320.20

Finding the Fourth Proportional to 920,536.20, 1,379,508.30 and 731,320.20

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Solution

The fourth proportional to 920,536.20, 1,379,508.30 and 731,320.20 is: 1,095,950.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,536.20 : 1,379,508.30 = 731,320.20 : x
  2. Step 2: Convert to fraction form
    920,536.20/1,379,508.30 = 731,320.20/x
  3. Step 3: Cross multiply
    920,536.20x = 1,379,508.30 × 731,320.20
  4. Step 4: Simplify right side
    920,536.20x = 1,008,862,285,857.66
  5. Step 5: Solve for x
    x = 1,008,862,285,857.66/920,536.20
  6. Step 6: Final answer
    x = 1,095,950.69

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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.