Home / 669,945.02-1,004,352.55-290,580.03

Finding the Fourth Proportional to 669,945.02, 1,004,352.55 and 290,580.03

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Solution

The fourth proportional to 669,945.02, 1,004,352.55 and 290,580.03 is: 435,624.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,945.02 : 1,004,352.55 = 290,580.03 : x
  2. Step 2: Convert to fraction form
    669,945.02/1,004,352.55 = 290,580.03/x
  3. Step 3: Cross multiply
    669,945.02x = 1,004,352.55 × 290,580.03
  4. Step 4: Simplify right side
    669,945.02x = 291,844,794,109.58
  5. Step 5: Solve for x
    x = 291,844,794,109.58/669,945.02
  6. Step 6: Final answer
    x = 435,624.99

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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.