Home / 656,372.28-905,794.50-354,566.28

Finding the Fourth Proportional to 656,372.28, 905,794.50 and 354,566.28

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Solution

The fourth proportional to 656,372.28, 905,794.50 and 354,566.28 is: 489,301.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,372.28 : 905,794.50 = 354,566.28 : x
  2. Step 2: Convert to fraction form
    656,372.28/905,794.50 = 354,566.28/x
  3. Step 3: Cross multiply
    656,372.28x = 905,794.50 × 354,566.28
  4. Step 4: Simplify right side
    656,372.28x = 321,164,186,309.46
  5. Step 5: Solve for x
    x = 321,164,186,309.46/656,372.28
  6. Step 6: Final answer
    x = 489,301.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.