Home / 669,942.02-1,004,348.06-290,577.03

Finding the Fourth Proportional to 669,942.02, 1,004,348.06 and 290,577.03

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Solution

The fourth proportional to 669,942.02, 1,004,348.06 and 290,577.03 is: 435,620.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,942.02 : 1,004,348.06 = 290,577.03 : x
  2. Step 2: Convert to fraction form
    669,942.02/1,004,348.06 = 290,577.03/x
  3. Step 3: Cross multiply
    669,942.02x = 1,004,348.06 × 290,577.03
  4. Step 4: Simplify right side
    669,942.02x = 291,840,474,908.18
  5. Step 5: Solve for x
    x = 291,840,474,908.18/669,942.02
  6. Step 6: Final answer
    x = 435,620.50

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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.