Home / 742,024.52-1,112,907.72-342,631.52

Finding the Fourth Proportional to 742,024.52, 1,112,907.72 and 342,631.52

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Solution

The fourth proportional to 742,024.52, 1,112,907.72 and 342,631.52 is: 513,887.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,024.52 : 1,112,907.72 = 342,631.52 : x
  2. Step 2: Convert to fraction form
    742,024.52/1,112,907.72 = 342,631.52/x
  3. Step 3: Cross multiply
    742,024.52x = 1,112,907.72 × 342,631.52
  4. Step 4: Simplify right side
    742,024.52x = 381,317,263,723.33
  5. Step 5: Solve for x
    x = 381,317,263,723.33/742,024.52
  6. Step 6: Final answer
    x = 513,887.69

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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.