Home / 863,281.12-1,295,039.86-294,509.51

Finding the Fourth Proportional to 863,281.12, 1,295,039.86 and 294,509.51

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Solution

The fourth proportional to 863,281.12, 1,295,039.86 and 294,509.51 is: 441,804.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,281.12 : 1,295,039.86 = 294,509.51 : x
  2. Step 2: Convert to fraction form
    863,281.12/1,295,039.86 = 294,509.51/x
  3. Step 3: Cross multiply
    863,281.12x = 1,295,039.86 × 294,509.51
  4. Step 4: Simplify right side
    863,281.12x = 381,401,553,126.52
  5. Step 5: Solve for x
    x = 381,401,553,126.52/863,281.12
  6. Step 6: Final answer
    x = 441,804.58

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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.