Home / 457,428.14-630,462.72-304,192.44

Finding the Fourth Proportional to 457,428.14, 630,462.72 and 304,192.44

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Solution

The fourth proportional to 457,428.14, 630,462.72 and 304,192.44 is: 419,261.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,428.14 : 630,462.72 = 304,192.44 : x
  2. Step 2: Convert to fraction form
    457,428.14/630,462.72 = 304,192.44/x
  3. Step 3: Cross multiply
    457,428.14x = 630,462.72 × 304,192.44
  4. Step 4: Simplify right side
    457,428.14x = 191,781,993,125.84
  5. Step 5: Solve for x
    x = 191,781,993,125.84/457,428.14
  6. Step 6: Final answer
    x = 419,261.47

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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.