Home / 855,564.60-1,285,247.70-715,596.60

Finding the Fourth Proportional to 855,564.60, 1,285,247.70 and 715,596.60

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Solution

The fourth proportional to 855,564.60, 1,285,247.70 and 715,596.60 is: 1,074,984.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,564.60 : 1,285,247.70 = 715,596.60 : x
  2. Step 2: Convert to fraction form
    855,564.60/1,285,247.70 = 715,596.60/x
  3. Step 3: Cross multiply
    855,564.60x = 1,285,247.70 × 715,596.60
  4. Step 4: Simplify right side
    855,564.60x = 919,718,884,277.82
  5. Step 5: Solve for x
    x = 919,718,884,277.82/855,564.60
  6. Step 6: Final answer
    x = 1,074,984.73

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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.