Home / 457,280.16-630,836.94-296,187

Finding the Fourth Proportional to 457,280.16, 630,836.94 and 296,187

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Solution

The fourth proportional to 457,280.16, 630,836.94 and 296,187 is: 408,602.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,280.16 : 630,836.94 = 296,187 : x
  2. Step 2: Convert to fraction form
    457,280.16/630,836.94 = 296,187/x
  3. Step 3: Cross multiply
    457,280.16x = 630,836.94 × 296,187
  4. Step 4: Simplify right side
    457,280.16x = 186,845,700,747.78
  5. Step 5: Solve for x
    x = 186,845,700,747.78/457,280.16
  6. Step 6: Final answer
    x = 408,602.25

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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.