Home / 538,050.61-742,454.90-331,286.17

Finding the Fourth Proportional to 538,050.61, 742,454.90 and 331,286.17

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Solution

The fourth proportional to 538,050.61, 742,454.90 and 331,286.17 is: 457,141.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,050.61 : 742,454.90 = 331,286.17 : x
  2. Step 2: Convert to fraction form
    538,050.61/742,454.90 = 331,286.17/x
  3. Step 3: Cross multiply
    538,050.61x = 742,454.90 × 331,286.17
  4. Step 4: Simplify right side
    538,050.61x = 245,965,035,742.49
  5. Step 5: Solve for x
    x = 245,965,035,742.49/538,050.61
  6. Step 6: Final answer
    x = 457,141.08

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1.5x scale

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.