Home / 399,417.04-551,062.74-263,518.48

Finding the Fourth Proportional to 399,417.04, 551,062.74 and 263,518.48

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Solution

The fourth proportional to 399,417.04, 551,062.74 and 263,518.48 is: 363,567.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,417.04 : 551,062.74 = 263,518.48 : x
  2. Step 2: Convert to fraction form
    399,417.04/551,062.74 = 263,518.48/x
  3. Step 3: Cross multiply
    399,417.04x = 551,062.74 × 263,518.48
  4. Step 4: Simplify right side
    399,417.04x = 145,215,215,629.44
  5. Step 5: Solve for x
    x = 145,215,215,629.44/399,417.04
  6. Step 6: Final answer
    x = 363,567.90

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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.