Home / 848,753.40-1,273,287.53-280,174.11

Finding the Fourth Proportional to 848,753.40, 1,273,287.53 and 280,174.11

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Solution

The fourth proportional to 848,753.40, 1,273,287.53 and 280,174.11 is: 420,313.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,753.40 : 1,273,287.53 = 280,174.11 : x
  2. Step 2: Convert to fraction form
    848,753.40/1,273,287.53 = 280,174.11/x
  3. Step 3: Cross multiply
    848,753.40x = 1,273,287.53 × 280,174.11
  4. Step 4: Simplify right side
    848,753.40x = 356,742,200,491.85
  5. Step 5: Solve for x
    x = 356,742,200,491.85/848,753.40
  6. Step 6: Final answer
    x = 420,313.13

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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.