Home / 535,721.82-739,293.78-294,008.30

Finding the Fourth Proportional to 535,721.82, 739,293.78 and 294,008.30

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Solution

The fourth proportional to 535,721.82, 739,293.78 and 294,008.30 is: 405,730.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,721.82 : 739,293.78 = 294,008.30 : x
  2. Step 2: Convert to fraction form
    535,721.82/739,293.78 = 294,008.30/x
  3. Step 3: Cross multiply
    535,721.82x = 739,293.78 × 294,008.30
  4. Step 4: Simplify right side
    535,721.82x = 217,358,507,636.79
  5. Step 5: Solve for x
    x = 217,358,507,636.79/535,721.82
  6. Step 6: Final answer
    x = 405,730.18

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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.