Home / 892,174-1,231,185.52-510,187.72

Finding the Fourth Proportional to 892,174, 1,231,185.52 and 510,187.72

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Solution

The fourth proportional to 892,174, 1,231,185.52 and 510,187.72 is: 704,050.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,174 : 1,231,185.52 = 510,187.72 : x
  2. Step 2: Convert to fraction form
    892,174/1,231,185.52 = 510,187.72/x
  3. Step 3: Cross multiply
    892,174x = 1,231,185.52 × 510,187.72
  4. Step 4: Simplify right side
    892,174x = 628,135,733,345.81
  5. Step 5: Solve for x
    x = 628,135,733,345.81/892,174
  6. Step 6: Final answer
    x = 704,050.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.