Home / 852,351.81-1,176,243.09-470,375.86

Finding the Fourth Proportional to 852,351.81, 1,176,243.09 and 470,375.86

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Solution

The fourth proportional to 852,351.81, 1,176,243.09 and 470,375.86 is: 649,117.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,351.81 : 1,176,243.09 = 470,375.86 : x
  2. Step 2: Convert to fraction form
    852,351.81/1,176,243.09 = 470,375.86/x
  3. Step 3: Cross multiply
    852,351.81x = 1,176,243.09 × 470,375.86
  4. Step 4: Simplify right side
    852,351.81x = 553,276,356,497.54
  5. Step 5: Solve for x
    x = 553,276,356,497.54/852,351.81
  6. Step 6: Final answer
    x = 649,117.36

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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.