Home / 863,646.90-1,191,778.97-476,467.31

Finding the Fourth Proportional to 863,646.90, 1,191,778.97 and 476,467.31

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Solution

The fourth proportional to 863,646.90, 1,191,778.97 and 476,467.31 is: 657,495.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,646.90 : 1,191,778.97 = 476,467.31 : x
  2. Step 2: Convert to fraction form
    863,646.90/1,191,778.97 = 476,467.31/x
  3. Step 3: Cross multiply
    863,646.90x = 1,191,778.97 × 476,467.31
  4. Step 4: Simplify right side
    863,646.90x = 567,843,711,609.24
  5. Step 5: Solve for x
    x = 567,843,711,609.24/863,646.90
  6. Step 6: Final answer
    x = 657,495.22

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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.