Home / 669,973.31-1,004,394.75-290,608.43

Finding the Fourth Proportional to 669,973.31, 1,004,394.75 and 290,608.43

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Solution

The fourth proportional to 669,973.31, 1,004,394.75 and 290,608.43 is: 435,667.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,973.31 : 1,004,394.75 = 290,608.43 : x
  2. Step 2: Convert to fraction form
    669,973.31/1,004,394.75 = 290,608.43/x
  3. Step 3: Cross multiply
    669,973.31x = 1,004,394.75 × 290,608.43
  4. Step 4: Simplify right side
    669,973.31x = 291,885,581,397.74
  5. Step 5: Solve for x
    x = 291,885,581,397.74/669,973.31
  6. Step 6: Final answer
    x = 435,667.48

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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.