Home / 722,714.56-1,084,441.92-344,063.68

Finding the Fourth Proportional to 722,714.56, 1,084,441.92 and 344,063.68

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Solution

The fourth proportional to 722,714.56, 1,084,441.92 and 344,063.68 is: 516,271.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,714.56 : 1,084,441.92 = 344,063.68 : x
  2. Step 2: Convert to fraction form
    722,714.56/1,084,441.92 = 344,063.68/x
  3. Step 3: Cross multiply
    722,714.56x = 1,084,441.92 × 344,063.68
  4. Step 4: Simplify right side
    722,714.56x = 373,117,077,741.47
  5. Step 5: Solve for x
    x = 373,117,077,741.47/722,714.56
  6. Step 6: Final answer
    x = 516,271.70

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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.