Home / 679,759.29-938,047.64-373,835.25

Finding the Fourth Proportional to 679,759.29, 938,047.64 and 373,835.25

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Solution

The fourth proportional to 679,759.29, 938,047.64 and 373,835.25 is: 515,881.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,759.29 : 938,047.64 = 373,835.25 : x
  2. Step 2: Convert to fraction form
    679,759.29/938,047.64 = 373,835.25/x
  3. Step 3: Cross multiply
    679,759.29x = 938,047.64 × 373,835.25
  4. Step 4: Simplify right side
    679,759.29x = 350,675,272,142.13
  5. Step 5: Solve for x
    x = 350,675,272,142.13/679,759.29
  6. Step 6: Final answer
    x = 515,881.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.