Home / 829,089.04-1,243,633.60-268,123.60

Finding the Fourth Proportional to 829,089.04, 1,243,633.60 and 268,123.60

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Solution

The fourth proportional to 829,089.04, 1,243,633.60 and 268,123.60 is: 402,185.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,089.04 : 1,243,633.60 = 268,123.60 : x
  2. Step 2: Convert to fraction form
    829,089.04/1,243,633.60 = 268,123.60/x
  3. Step 3: Cross multiply
    829,089.04x = 1,243,633.60 × 268,123.60
  4. Step 4: Simplify right side
    829,089.04x = 333,447,517,912.96
  5. Step 5: Solve for x
    x = 333,447,517,912.96/829,089.04
  6. Step 6: Final answer
    x = 402,185.41

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1.5x scale

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.