Home / 478,975.63-660,972.23-264,115.64

Finding the Fourth Proportional to 478,975.63, 660,972.23 and 264,115.64

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Solution

The fourth proportional to 478,975.63, 660,972.23 and 264,115.64 is: 364,471.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,975.63 : 660,972.23 = 264,115.64 : x
  2. Step 2: Convert to fraction form
    478,975.63/660,972.23 = 264,115.64/x
  3. Step 3: Cross multiply
    478,975.63x = 660,972.23 × 264,115.64
  4. Step 4: Simplify right side
    478,975.63x = 174,573,100,410.17
  5. Step 5: Solve for x
    x = 174,573,100,410.17/478,975.63
  6. Step 6: Final answer
    x = 364,471.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.