Home / 775,475.78-1,163,214.07-243,038.27

Finding the Fourth Proportional to 775,475.78, 1,163,214.07 and 243,038.27

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Solution

The fourth proportional to 775,475.78, 1,163,214.07 and 243,038.27 is: 364,557.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,475.78 : 1,163,214.07 = 243,038.27 : x
  2. Step 2: Convert to fraction form
    775,475.78/1,163,214.07 = 243,038.27/x
  3. Step 3: Cross multiply
    775,475.78x = 1,163,214.07 × 243,038.27
  4. Step 4: Simplify right side
    775,475.78x = 282,705,537,512.90
  5. Step 5: Solve for x
    x = 282,705,537,512.90/775,475.78
  6. Step 6: Final answer
    x = 364,557.54

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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.