Home / 457,307.08-630,969.78-263,773.96

Finding the Fourth Proportional to 457,307.08, 630,969.78 and 263,773.96

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Solution

The fourth proportional to 457,307.08, 630,969.78 and 263,773.96 is: 363,942.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,307.08 : 630,969.78 = 263,773.96 : x
  2. Step 2: Convert to fraction form
    457,307.08/630,969.78 = 263,773.96/x
  3. Step 3: Cross multiply
    457,307.08x = 630,969.78 × 263,773.96
  4. Step 4: Simplify right side
    457,307.08x = 166,433,397,510.93
  5. Step 5: Solve for x
    x = 166,433,397,510.93/457,307.08
  6. Step 6: Final answer
    x = 363,942.32

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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.