Home / 457,025.04-630,701.28-263,325.96

Finding the Fourth Proportional to 457,025.04, 630,701.28 and 263,325.96

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Solution

The fourth proportional to 457,025.04, 630,701.28 and 263,325.96 is: 363,393.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,025.04 : 630,701.28 = 263,325.96 : x
  2. Step 2: Convert to fraction form
    457,025.04/630,701.28 = 263,325.96/x
  3. Step 3: Cross multiply
    457,025.04x = 630,701.28 × 263,325.96
  4. Step 4: Simplify right side
    457,025.04x = 166,080,020,029.23
  5. Step 5: Solve for x
    x = 166,080,020,029.23/457,025.04
  6. Step 6: Final answer
    x = 363,393.70

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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.