Home / 784,898.70-1,175,598.45-644,930.70

Finding the Fourth Proportional to 784,898.70, 1,175,598.45 and 644,930.70

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Solution

The fourth proportional to 784,898.70, 1,175,598.45 and 644,930.70 is: 965,958.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,898.70 : 1,175,598.45 = 644,930.70 : x
  2. Step 2: Convert to fraction form
    784,898.70/1,175,598.45 = 644,930.70/x
  3. Step 3: Cross multiply
    784,898.70x = 1,175,598.45 × 644,930.70
  4. Step 4: Simplify right side
    784,898.70x = 758,179,531,277.42
  5. Step 5: Solve for x
    x = 758,179,531,277.42/784,898.70
  6. Step 6: Final answer
    x = 965,958.45

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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.