Home / 743,562.48-1,115,341.43-211,083.87

Finding the Fourth Proportional to 743,562.48, 1,115,341.43 and 211,083.87

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Solution

The fourth proportional to 743,562.48, 1,115,341.43 and 211,083.87 is: 316,625.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,562.48 : 1,115,341.43 = 211,083.87 : x
  2. Step 2: Convert to fraction form
    743,562.48/1,115,341.43 = 211,083.87/x
  3. Step 3: Cross multiply
    743,562.48x = 1,115,341.43 × 211,083.87
  4. Step 4: Simplify right side
    743,562.48x = 235,430,584,360.32
  5. Step 5: Solve for x
    x = 235,430,584,360.32/743,562.48
  6. Step 6: Final answer
    x = 316,625.15

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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.