Home / 679,756.97-938,045.88-373,833.35

Finding the Fourth Proportional to 679,756.97, 938,045.88 and 373,833.35

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Solution

The fourth proportional to 679,756.97, 938,045.88 and 373,833.35 is: 515,879.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,756.97 : 938,045.88 = 373,833.35 : x
  2. Step 2: Convert to fraction form
    679,756.97/938,045.88 = 373,833.35/x
  3. Step 3: Cross multiply
    679,756.97x = 938,045.88 × 373,833.35
  4. Step 4: Simplify right side
    679,756.97x = 350,672,829,083.87
  5. Step 5: Solve for x
    x = 350,672,829,083.87/679,756.97
  6. Step 6: Final answer
    x = 515,879.71

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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.