Home / 917,869.88-1,376,494.32-349,115.96

Finding the Fourth Proportional to 917,869.88, 1,376,494.32 and 349,115.96

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Solution

The fourth proportional to 917,869.88, 1,376,494.32 and 349,115.96 is: 523,555.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,869.88 : 1,376,494.32 = 349,115.96 : x
  2. Step 2: Convert to fraction form
    917,869.88/1,376,494.32 = 349,115.96/x
  3. Step 3: Cross multiply
    917,869.88x = 1,376,494.32 × 349,115.96
  4. Step 4: Simplify right side
    917,869.88x = 480,556,135,961.35
  5. Step 5: Solve for x
    x = 480,556,135,961.35/917,869.88
  6. Step 6: Final answer
    x = 523,555.84

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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.