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Finding the Fourth Proportional to 507,014.52, 699,631.46 and 303,024.82

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Solution

The fourth proportional to 507,014.52, 699,631.46 and 303,024.82 is: 418,145.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,014.52 : 699,631.46 = 303,024.82 : x
  2. Step 2: Convert to fraction form
    507,014.52/699,631.46 = 303,024.82/x
  3. Step 3: Cross multiply
    507,014.52x = 699,631.46 × 303,024.82
  4. Step 4: Simplify right side
    507,014.52x = 212,005,697,232.84
  5. Step 5: Solve for x
    x = 212,005,697,232.84/507,014.52
  6. Step 6: Final answer
    x = 418,145.22

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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.