Home / 926,620.96-1,390,035.12-295,388.32

Finding the Fourth Proportional to 926,620.96, 1,390,035.12 and 295,388.32

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Solution

The fourth proportional to 926,620.96, 1,390,035.12 and 295,388.32 is: 443,115.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,620.96 : 1,390,035.12 = 295,388.32 : x
  2. Step 2: Convert to fraction form
    926,620.96/1,390,035.12 = 295,388.32/x
  3. Step 3: Cross multiply
    926,620.96x = 1,390,035.12 × 295,388.32
  4. Step 4: Simplify right side
    926,620.96x = 410,600,138,837.80
  5. Step 5: Solve for x
    x = 410,600,138,837.80/926,620.96
  6. Step 6: Final answer
    x = 443,115.53

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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.