Home / 722,897.96-1,083,349.83-521,614.58

Finding the Fourth Proportional to 722,897.96, 1,083,349.83 and 521,614.58

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Solution

The fourth proportional to 722,897.96, 1,083,349.83 and 521,614.58 is: 781,702.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,897.96 : 1,083,349.83 = 521,614.58 : x
  2. Step 2: Convert to fraction form
    722,897.96/1,083,349.83 = 521,614.58/x
  3. Step 3: Cross multiply
    722,897.96x = 1,083,349.83 × 521,614.58
  4. Step 4: Simplify right side
    722,897.96x = 565,091,066,568.52
  5. Step 5: Solve for x
    x = 565,091,066,568.52/722,897.96
  6. Step 6: Final answer
    x = 781,702.39

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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.