Home / 742,685.11-1,114,032.27-262,808.44

Finding the Fourth Proportional to 742,685.11, 1,114,032.27 and 262,808.44

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Solution

The fourth proportional to 742,685.11, 1,114,032.27 and 262,808.44 is: 394,214.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,685.11 : 1,114,032.27 = 262,808.44 : x
  2. Step 2: Convert to fraction form
    742,685.11/1,114,032.27 = 262,808.44/x
  3. Step 3: Cross multiply
    742,685.11x = 1,114,032.27 × 262,808.44
  4. Step 4: Simplify right side
    742,685.11x = 292,777,082,988.36
  5. Step 5: Solve for x
    x = 292,777,082,988.36/742,685.11
  6. Step 6: Final answer
    x = 394,214.29

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1.5x scale

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.