Home / 651,659.99-899,253.63-379,772.15

Finding the Fourth Proportional to 651,659.99, 899,253.63 and 379,772.15

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Solution

The fourth proportional to 651,659.99, 899,253.63 and 379,772.15 is: 524,063.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,659.99 : 899,253.63 = 379,772.15 : x
  2. Step 2: Convert to fraction form
    651,659.99/899,253.63 = 379,772.15/x
  3. Step 3: Cross multiply
    651,659.99x = 899,253.63 × 379,772.15
  4. Step 4: Simplify right side
    651,659.99x = 341,511,479,964.14
  5. Step 5: Solve for x
    x = 341,511,479,964.14/651,659.99
  6. Step 6: Final answer
    x = 524,063.91

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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.