Home / 931,175.36-1,397,230.48-425,691.32

Finding the Fourth Proportional to 931,175.36, 1,397,230.48 and 425,691.32

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Solution

The fourth proportional to 931,175.36, 1,397,230.48 and 425,691.32 is: 638,750.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,175.36 : 1,397,230.48 = 425,691.32 : x
  2. Step 2: Convert to fraction form
    931,175.36/1,397,230.48 = 425,691.32/x
  3. Step 3: Cross multiply
    931,175.36x = 1,397,230.48 × 425,691.32
  4. Step 4: Simplify right side
    931,175.36x = 594,788,887,375.43
  5. Step 5: Solve for x
    x = 594,788,887,375.43/931,175.36
  6. Step 6: Final answer
    x = 638,750.67

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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.