Home / 644,823.70-967,235.55-579,505.30

Finding the Fourth Proportional to 644,823.70, 967,235.55 and 579,505.30

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Solution

The fourth proportional to 644,823.70, 967,235.55 and 579,505.30 is: 869,257.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,823.70 : 967,235.55 = 579,505.30 : x
  2. Step 2: Convert to fraction form
    644,823.70/967,235.55 = 579,505.30/x
  3. Step 3: Cross multiply
    644,823.70x = 967,235.55 × 579,505.30
  4. Step 4: Simplify right side
    644,823.70x = 560,518,127,573.42
  5. Step 5: Solve for x
    x = 560,518,127,573.42/644,823.70
  6. Step 6: Final answer
    x = 869,257.95

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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.