Home / 644,007.60-966,014.73-377,581.28

Finding the Fourth Proportional to 644,007.60, 966,014.73 and 377,581.28

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Solution

The fourth proportional to 644,007.60, 966,014.73 and 377,581.28 is: 566,373.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,007.60 : 966,014.73 = 377,581.28 : x
  2. Step 2: Convert to fraction form
    644,007.60/966,014.73 = 377,581.28/x
  3. Step 3: Cross multiply
    644,007.60x = 966,014.73 × 377,581.28
  4. Step 4: Simplify right side
    644,007.60x = 364,749,073,422.18
  5. Step 5: Solve for x
    x = 364,749,073,422.18/644,007.60
  6. Step 6: Final answer
    x = 566,373.86

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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.