Home / 742,711.24-1,114,110.06-210,187.72

Finding the Fourth Proportional to 742,711.24, 1,114,110.06 and 210,187.72

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Solution

The fourth proportional to 742,711.24, 1,114,110.06 and 210,187.72 is: 315,293.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,711.24 : 1,114,110.06 = 210,187.72 : x
  2. Step 2: Convert to fraction form
    742,711.24/1,114,110.06 = 210,187.72/x
  3. Step 3: Cross multiply
    742,711.24x = 1,114,110.06 × 210,187.72
  4. Step 4: Simplify right side
    742,711.24x = 234,172,253,340.46
  5. Step 5: Solve for x
    x = 234,172,253,340.46/742,711.24
  6. Step 6: Final answer
    x = 315,293.81

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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.