Home / 784,260-1,175,915.43-351,898.20

Finding the Fourth Proportional to 784,260, 1,175,915.43 and 351,898.20

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Solution

The fourth proportional to 784,260, 1,175,915.43 and 351,898.20 is: 527,634.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,260 : 1,175,915.43 = 351,898.20 : x
  2. Step 2: Convert to fraction form
    784,260/1,175,915.43 = 351,898.20/x
  3. Step 3: Cross multiply
    784,260x = 1,175,915.43 × 351,898.20
  4. Step 4: Simplify right side
    784,260x = 413,802,523,169.23
  5. Step 5: Solve for x
    x = 413,802,523,169.23/784,260
  6. Step 6: Final answer
    x = 527,634.36

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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.