Home / 742,313.26-1,114,029.66-543,147.50

Finding the Fourth Proportional to 742,313.26, 1,114,029.66 and 543,147.50

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Solution

The fourth proportional to 742,313.26, 1,114,029.66 and 543,147.50 is: 815,130.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,313.26 : 1,114,029.66 = 543,147.50 : x
  2. Step 2: Convert to fraction form
    742,313.26/1,114,029.66 = 543,147.50/x
  3. Step 3: Cross multiply
    742,313.26x = 1,114,029.66 × 543,147.50
  4. Step 4: Simplify right side
    742,313.26x = 605,082,424,754.85
  5. Step 5: Solve for x
    x = 605,082,424,754.85/742,313.26
  6. Step 6: Final answer
    x = 815,130.83

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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.