Home / 745,148.58-1,117,095.92-324,107.34

Finding the Fourth Proportional to 745,148.58, 1,117,095.92 and 324,107.34

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Solution

The fourth proportional to 745,148.58, 1,117,095.92 and 324,107.34 is: 485,888.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,148.58 : 1,117,095.92 = 324,107.34 : x
  2. Step 2: Convert to fraction form
    745,148.58/1,117,095.92 = 324,107.34/x
  3. Step 3: Cross multiply
    745,148.58x = 1,117,095.92 × 324,107.34
  4. Step 4: Simplify right side
    745,148.58x = 362,058,987,156.05
  5. Step 5: Solve for x
    x = 362,058,987,156.05/745,148.58
  6. Step 6: Final answer
    x = 485,888.31

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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.