Home / 465,317.90-641,975.12-304,267.22

Finding the Fourth Proportional to 465,317.90, 641,975.12 and 304,267.22

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Solution

The fourth proportional to 465,317.90, 641,975.12 and 304,267.22 is: 419,781.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,317.90 : 641,975.12 = 304,267.22 : x
  2. Step 2: Convert to fraction form
    465,317.90/641,975.12 = 304,267.22/x
  3. Step 3: Cross multiply
    465,317.90x = 641,975.12 × 304,267.22
  4. Step 4: Simplify right side
    465,317.90x = 195,331,985,071.57
  5. Step 5: Solve for x
    x = 195,331,985,071.57/465,317.90
  6. Step 6: Final answer
    x = 419,781.80

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1.5x scale

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.