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Finding the Fourth Proportional to 524,579.82, 787,657.05 and 300,193.62

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Solution

The fourth proportional to 524,579.82, 787,657.05 and 300,193.62 is: 450,740.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,579.82 : 787,657.05 = 300,193.62 : x
  2. Step 2: Convert to fraction form
    524,579.82/787,657.05 = 300,193.62/x
  3. Step 3: Cross multiply
    524,579.82x = 787,657.05 × 300,193.62
  4. Step 4: Simplify right side
    524,579.82x = 236,449,621,158.02
  5. Step 5: Solve for x
    x = 236,449,621,158.02/524,579.82
  6. Step 6: Final answer
    x = 450,740.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.