Home / 858,001.04-1,287,340.55-325,663.37

Finding the Fourth Proportional to 858,001.04, 1,287,340.55 and 325,663.37

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Solution

The fourth proportional to 858,001.04, 1,287,340.55 and 325,663.37 is: 488,623.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,001.04 : 1,287,340.55 = 325,663.37 : x
  2. Step 2: Convert to fraction form
    858,001.04/1,287,340.55 = 325,663.37/x
  3. Step 3: Cross multiply
    858,001.04x = 1,287,340.55 × 325,663.37
  4. Step 4: Simplify right side
    858,001.04x = 419,239,660,222.34
  5. Step 5: Solve for x
    x = 419,239,660,222.34/858,001.04
  6. Step 6: Final answer
    x = 488,623.72

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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.