Home / 842,751.68-1,264,164.44-243,773.40

Finding the Fourth Proportional to 842,751.68, 1,264,164.44 and 243,773.40

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Solution

The fourth proportional to 842,751.68, 1,264,164.44 and 243,773.40 is: 365,670.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,751.68 : 1,264,164.44 = 243,773.40 : x
  2. Step 2: Convert to fraction form
    842,751.68/1,264,164.44 = 243,773.40/x
  3. Step 3: Cross multiply
    842,751.68x = 1,264,164.44 × 243,773.40
  4. Step 4: Simplify right side
    842,751.68x = 308,169,663,697.90
  5. Step 5: Solve for x
    x = 308,169,663,697.90/842,751.68
  6. Step 6: Final answer
    x = 365,670.78

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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.