Home / 666,915.49-1,000,532.37-217,637.19

Finding the Fourth Proportional to 666,915.49, 1,000,532.37 and 217,637.19

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Solution

The fourth proportional to 666,915.49, 1,000,532.37 and 217,637.19 is: 326,507.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,915.49 : 1,000,532.37 = 217,637.19 : x
  2. Step 2: Convert to fraction form
    666,915.49/1,000,532.37 = 217,637.19/x
  3. Step 3: Cross multiply
    666,915.49x = 1,000,532.37 × 217,637.19
  4. Step 4: Simplify right side
    666,915.49x = 217,753,053,510.84
  5. Step 5: Solve for x
    x = 217,753,053,510.84/666,915.49
  6. Step 6: Final answer
    x = 326,507.72

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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.