Home / 648,166.32-894,467.88-361,683.36

Finding the Fourth Proportional to 648,166.32, 894,467.88 and 361,683.36

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Solution

The fourth proportional to 648,166.32, 894,467.88 and 361,683.36 is: 499,122.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,166.32 : 894,467.88 = 361,683.36 : x
  2. Step 2: Convert to fraction form
    648,166.32/894,467.88 = 361,683.36/x
  3. Step 3: Cross multiply
    648,166.32x = 894,467.88 × 361,683.36
  4. Step 4: Simplify right side
    648,166.32x = 323,514,148,250.48
  5. Step 5: Solve for x
    x = 323,514,148,250.48/648,166.32
  6. Step 6: Final answer
    x = 499,122.12

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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.