Home / 538,320.23-742,881.31-296,602.73

Finding the Fourth Proportional to 538,320.23, 742,881.31 and 296,602.73

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Solution

The fourth proportional to 538,320.23, 742,881.31 and 296,602.73 is: 409,311.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,320.23 : 742,881.31 = 296,602.73 : x
  2. Step 2: Convert to fraction form
    538,320.23/742,881.31 = 296,602.73/x
  3. Step 3: Cross multiply
    538,320.23x = 742,881.31 × 296,602.73
  4. Step 4: Simplify right side
    538,320.23x = 220,340,622,941.87
  5. Step 5: Solve for x
    x = 220,340,622,941.87/538,320.23
  6. Step 6: Final answer
    x = 409,311.43

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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.