Home / 739,477.29-1,109,279.46-259,663.86

Finding the Fourth Proportional to 739,477.29, 1,109,279.46 and 259,663.86

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Solution

The fourth proportional to 739,477.29, 1,109,279.46 and 259,663.86 is: 389,518.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,477.29 : 1,109,279.46 = 259,663.86 : x
  2. Step 2: Convert to fraction form
    739,477.29/1,109,279.46 = 259,663.86/x
  3. Step 3: Cross multiply
    739,477.29x = 1,109,279.46 × 259,663.86
  4. Step 4: Simplify right side
    739,477.29x = 288,039,786,402.32
  5. Step 5: Solve for x
    x = 288,039,786,402.32/739,477.29
  6. Step 6: Final answer
    x = 389,518.10

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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.