Home / 748,564.94-1,123,169.09-243,280.77

Finding the Fourth Proportional to 748,564.94, 1,123,169.09 and 243,280.77

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Solution

The fourth proportional to 748,564.94, 1,123,169.09 and 243,280.77 is: 365,025.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,564.94 : 1,123,169.09 = 243,280.77 : x
  2. Step 2: Convert to fraction form
    748,564.94/1,123,169.09 = 243,280.77/x
  3. Step 3: Cross multiply
    748,564.94x = 1,123,169.09 × 243,280.77
  4. Step 4: Simplify right side
    748,564.94x = 273,245,435,627.11
  5. Step 5: Solve for x
    x = 273,245,435,627.11/748,564.94
  6. Step 6: Final answer
    x = 365,025.69

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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.