Home / 457,787.16-631,953.90-294,679.08

Finding the Fourth Proportional to 457,787.16, 631,953.90 and 294,679.08

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Solution

The fourth proportional to 457,787.16, 631,953.90 and 294,679.08 is: 406,790.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,787.16 : 631,953.90 = 294,679.08 : x
  2. Step 2: Convert to fraction form
    457,787.16/631,953.90 = 294,679.08/x
  3. Step 3: Cross multiply
    457,787.16x = 631,953.90 × 294,679.08
  4. Step 4: Simplify right side
    457,787.16x = 186,223,593,854.41
  5. Step 5: Solve for x
    x = 186,223,593,854.41/457,787.16
  6. Step 6: Final answer
    x = 406,790.78

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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.