Home / 842,745.68-1,264,155.44-243,767.39

Finding the Fourth Proportional to 842,745.68, 1,264,155.44 and 243,767.39

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Solution

The fourth proportional to 842,745.68, 1,264,155.44 and 243,767.39 is: 365,661.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,745.68 : 1,264,155.44 = 243,767.39 : x
  2. Step 2: Convert to fraction form
    842,745.68/1,264,155.44 = 243,767.39/x
  3. Step 3: Cross multiply
    842,745.68x = 1,264,155.44 × 243,767.39
  4. Step 4: Simplify right side
    842,745.68x = 308,159,864,623.49
  5. Step 5: Solve for x
    x = 308,159,864,623.49/842,745.68
  6. Step 6: Final answer
    x = 365,661.76

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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.