Home / 730,729.91-1,096,342.98-393,804.32

Finding the Fourth Proportional to 730,729.91, 1,096,342.98 and 393,804.32

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Solution

The fourth proportional to 730,729.91, 1,096,342.98 and 393,804.32 is: 590,840.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,729.91 : 1,096,342.98 = 393,804.32 : x
  2. Step 2: Convert to fraction form
    730,729.91/1,096,342.98 = 393,804.32/x
  3. Step 3: Cross multiply
    730,729.91x = 1,096,342.98 × 393,804.32
  4. Step 4: Simplify right side
    730,729.91x = 431,744,601,725.67
  5. Step 5: Solve for x
    x = 431,744,601,725.67/730,729.91
  6. Step 6: Final answer
    x = 590,840.19

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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.