Home / 479,659.90-661,913.31-264,795.36

Finding the Fourth Proportional to 479,659.90, 661,913.31 and 264,795.36

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Solution

The fourth proportional to 479,659.90, 661,913.31 and 264,795.36 is: 365,408.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,659.90 : 661,913.31 = 264,795.36 : x
  2. Step 2: Convert to fraction form
    479,659.90/661,913.31 = 264,795.36/x
  3. Step 3: Cross multiply
    479,659.90x = 661,913.31 × 264,795.36
  4. Step 4: Simplify right side
    479,659.90x = 175,271,573,210.24
  5. Step 5: Solve for x
    x = 175,271,573,210.24/479,659.90
  6. Step 6: Final answer
    x = 365,408.02

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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.