Home / 743,646.60-1,115,496.32-238,141.89

Finding the Fourth Proportional to 743,646.60, 1,115,496.32 and 238,141.89

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Solution

The fourth proportional to 743,646.60, 1,115,496.32 and 238,141.89 is: 357,221.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,646.60 : 1,115,496.32 = 238,141.89 : x
  2. Step 2: Convert to fraction form
    743,646.60/1,115,496.32 = 238,141.89/x
  3. Step 3: Cross multiply
    743,646.60x = 1,115,496.32 × 238,141.89
  4. Step 4: Simplify right side
    743,646.60x = 265,646,400,742.14
  5. Step 5: Solve for x
    x = 265,646,400,742.14/743,646.60
  6. Step 6: Final answer
    x = 357,221.29

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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.