Home / 644,928.48-964,563.12-574,348.86

Finding the Fourth Proportional to 644,928.48, 964,563.12 and 574,348.86

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Solution

The fourth proportional to 644,928.48, 964,563.12 and 574,348.86 is: 859,003.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,928.48 : 964,563.12 = 574,348.86 : x
  2. Step 2: Convert to fraction form
    644,928.48/964,563.12 = 574,348.86/x
  3. Step 3: Cross multiply
    644,928.48x = 964,563.12 × 574,348.86
  4. Step 4: Simplify right side
    644,928.48x = 553,995,728,370.04
  5. Step 5: Solve for x
    x = 553,995,728,370.04/644,928.48
  6. Step 6: Final answer
    x = 859,003.36

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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.