Home / 742,025.52-1,112,909.22-342,632.52

Finding the Fourth Proportional to 742,025.52, 1,112,909.22 and 342,632.52

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Solution

The fourth proportional to 742,025.52, 1,112,909.22 and 342,632.52 is: 513,889.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,025.52 : 1,112,909.22 = 342,632.52 : x
  2. Step 2: Convert to fraction form
    742,025.52/1,112,909.22 = 342,632.52/x
  3. Step 3: Cross multiply
    742,025.52x = 1,112,909.22 × 342,632.52
  4. Step 4: Simplify right side
    742,025.52x = 381,318,890,579.83
  5. Step 5: Solve for x
    x = 381,318,890,579.83/742,025.52
  6. Step 6: Final answer
    x = 513,889.19

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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.