Home / 829,060.16-1,243,622.40-260,828.80

Finding the Fourth Proportional to 829,060.16, 1,243,622.40 and 260,828.80

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Solution

The fourth proportional to 829,060.16, 1,243,622.40 and 260,828.80 is: 391,253.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,060.16 : 1,243,622.40 = 260,828.80 : x
  2. Step 2: Convert to fraction form
    829,060.16/1,243,622.40 = 260,828.80/x
  3. Step 3: Cross multiply
    829,060.16x = 1,243,622.40 × 260,828.80
  4. Step 4: Simplify right side
    829,060.16x = 324,372,538,245.12
  5. Step 5: Solve for x
    x = 324,372,538,245.12/829,060.16
  6. Step 6: Final answer
    x = 391,253.32

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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.