Home / 873,544.86-1,310,632.59-305,009.73

Finding the Fourth Proportional to 873,544.86, 1,310,632.59 and 305,009.73

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Solution

The fourth proportional to 873,544.86, 1,310,632.59 and 305,009.73 is: 457,624.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,544.86 : 1,310,632.59 = 305,009.73 : x
  2. Step 2: Convert to fraction form
    873,544.86/1,310,632.59 = 305,009.73/x
  3. Step 3: Cross multiply
    873,544.86x = 1,310,632.59 × 305,009.73
  4. Step 4: Simplify right side
    873,544.86x = 399,755,692,405.10
  5. Step 5: Solve for x
    x = 399,755,692,405.10/873,544.86
  6. Step 6: Final answer
    x = 457,624.69

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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.