Home / 858,004.04-1,287,345.05-325,666.37

Finding the Fourth Proportional to 858,004.04, 1,287,345.05 and 325,666.37

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Solution

The fourth proportional to 858,004.04, 1,287,345.05 and 325,666.37 is: 488,628.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,004.04 : 1,287,345.05 = 325,666.37 : x
  2. Step 2: Convert to fraction form
    858,004.04/1,287,345.05 = 325,666.37/x
  3. Step 3: Cross multiply
    858,004.04x = 1,287,345.05 × 325,666.37
  4. Step 4: Simplify right side
    858,004.04x = 419,244,989,370.97
  5. Step 5: Solve for x
    x = 419,244,989,370.97/858,004.04
  6. Step 6: Final answer
    x = 488,628.22

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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.