Home / 743,543.52-1,115,313.06-211,065

Finding the Fourth Proportional to 743,543.52, 1,115,313.06 and 211,065

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Solution

The fourth proportional to 743,543.52, 1,115,313.06 and 211,065 is: 316,596.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,543.52 : 1,115,313.06 = 211,065 : x
  2. Step 2: Convert to fraction form
    743,543.52/1,115,313.06 = 211,065/x
  3. Step 3: Cross multiply
    743,543.52x = 1,115,313.06 × 211,065
  4. Step 4: Simplify right side
    743,543.52x = 235,403,551,008.90
  5. Step 5: Solve for x
    x = 235,403,551,008.90/743,543.52
  6. Step 6: Final answer
    x = 316,596.87

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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.