Home / 429,887.38-593,309.94-309,427.42

Finding the Fourth Proportional to 429,887.38, 593,309.94 and 309,427.42

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Solution

The fourth proportional to 429,887.38, 593,309.94 and 309,427.42 is: 427,056.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,887.38 : 593,309.94 = 309,427.42 : x
  2. Step 2: Convert to fraction form
    429,887.38/593,309.94 = 309,427.42/x
  3. Step 3: Cross multiply
    429,887.38x = 593,309.94 × 309,427.42
  4. Step 4: Simplify right side
    429,887.38x = 183,586,363,994.56
  5. Step 5: Solve for x
    x = 183,586,363,994.56/429,887.38
  6. Step 6: Final answer
    x = 427,056.88

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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.