Home / 538,472.42-743,094.89-309,011.46

Finding the Fourth Proportional to 538,472.42, 743,094.89 and 309,011.46

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Solution

The fourth proportional to 538,472.42, 743,094.89 and 309,011.46 is: 426,437.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,472.42 : 743,094.89 = 309,011.46 : x
  2. Step 2: Convert to fraction form
    538,472.42/743,094.89 = 309,011.46/x
  3. Step 3: Cross multiply
    538,472.42x = 743,094.89 × 309,011.46
  4. Step 4: Simplify right side
    538,472.42x = 229,624,836,877.44
  5. Step 5: Solve for x
    x = 229,624,836,877.44/538,472.42
  6. Step 6: Final answer
    x = 426,437.51

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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.