Home / 852,499.72-1,176,431.63-465,302.31

Finding the Fourth Proportional to 852,499.72, 1,176,431.63 and 465,302.31

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Solution

The fourth proportional to 852,499.72, 1,176,431.63 and 465,302.31 is: 642,107.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,499.72 : 1,176,431.63 = 465,302.31 : x
  2. Step 2: Convert to fraction form
    852,499.72/1,176,431.63 = 465,302.31/x
  3. Step 3: Cross multiply
    852,499.72x = 1,176,431.63 × 465,302.31
  4. Step 4: Simplify right side
    852,499.72x = 547,396,354,996.07
  5. Step 5: Solve for x
    x = 547,396,354,996.07/852,499.72
  6. Step 6: Final answer
    x = 642,107.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.