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Finding the Fourth Proportional to 524,580.32, 787,657.80 and 300,194.12

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Solution

The fourth proportional to 524,580.32, 787,657.80 and 300,194.12 is: 450,741.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,580.32 : 787,657.80 = 300,194.12 : x
  2. Step 2: Convert to fraction form
    524,580.32/787,657.80 = 300,194.12/x
  3. Step 3: Cross multiply
    524,580.32x = 787,657.80 × 300,194.12
  4. Step 4: Simplify right side
    524,580.32x = 236,450,240,132.14
  5. Step 5: Solve for x
    x = 236,450,240,132.14/524,580.32
  6. Step 6: Final answer
    x = 450,741.73

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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.