Home / 478,985.19-661,004.78-264,132.96

Finding the Fourth Proportional to 478,985.19, 661,004.78 and 264,132.96

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Solution

The fourth proportional to 478,985.19, 661,004.78 and 264,132.96 is: 364,506.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,985.19 : 661,004.78 = 264,132.96 : x
  2. Step 2: Convert to fraction form
    478,985.19/661,004.78 = 264,132.96/x
  3. Step 3: Cross multiply
    478,985.19x = 661,004.78 × 264,132.96
  4. Step 4: Simplify right side
    478,985.19x = 174,593,149,115.55
  5. Step 5: Solve for x
    x = 174,593,149,115.55/478,985.19
  6. Step 6: Final answer
    x = 364,506.36

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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.