Home / 784,990.60-1,177,653.30-448,192.60

Finding the Fourth Proportional to 784,990.60, 1,177,653.30 and 448,192.60

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Solution

The fourth proportional to 784,990.60, 1,177,653.30 and 448,192.60 is: 672,384.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,990.60 : 1,177,653.30 = 448,192.60 : x
  2. Step 2: Convert to fraction form
    784,990.60/1,177,653.30 = 448,192.60/x
  3. Step 3: Cross multiply
    784,990.60x = 1,177,653.30 × 448,192.60
  4. Step 4: Simplify right side
    784,990.60x = 527,815,494,425.58
  5. Step 5: Solve for x
    x = 527,815,494,425.58/784,990.60
  6. Step 6: Final answer
    x = 672,384.48

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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.