Home / 742,830.66-1,114,098.30-363,588.48

Finding the Fourth Proportional to 742,830.66, 1,114,098.30 and 363,588.48

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Solution

The fourth proportional to 742,830.66, 1,114,098.30 and 363,588.48 is: 545,310.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,830.66 : 1,114,098.30 = 363,588.48 : x
  2. Step 2: Convert to fraction form
    742,830.66/1,114,098.30 = 363,588.48/x
  3. Step 3: Cross multiply
    742,830.66x = 1,114,098.30 × 363,588.48
  4. Step 4: Simplify right side
    742,830.66x = 405,073,307,467.58
  5. Step 5: Solve for x
    x = 405,073,307,467.58/742,830.66
  6. Step 6: Final answer
    x = 545,310.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.