Home / 666,453.02-999,576.86-217,172.75

Finding the Fourth Proportional to 666,453.02, 999,576.86 and 217,172.75

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Solution

The fourth proportional to 666,453.02, 999,576.86 and 217,172.75 is: 325,725.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,453.02 : 999,576.86 = 217,172.75 : x
  2. Step 2: Convert to fraction form
    666,453.02/999,576.86 = 217,172.75/x
  3. Step 3: Cross multiply
    666,453.02x = 999,576.86 × 217,172.75
  4. Step 4: Simplify right side
    666,453.02x = 217,080,849,438.82
  5. Step 5: Solve for x
    x = 217,080,849,438.82/666,453.02
  6. Step 6: Final answer
    x = 325,725.66

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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.