Home / 863,280.90-1,295,039.53-294,509.29

Finding the Fourth Proportional to 863,280.90, 1,295,039.53 and 294,509.29

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Solution

The fourth proportional to 863,280.90, 1,295,039.53 and 294,509.29 is: 441,804.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,280.90 : 1,295,039.53 = 294,509.29 : x
  2. Step 2: Convert to fraction form
    863,280.90/1,295,039.53 = 294,509.29/x
  3. Step 3: Cross multiply
    863,280.90x = 1,295,039.53 × 294,509.29
  4. Step 4: Simplify right side
    863,280.90x = 381,401,173,384.76
  5. Step 5: Solve for x
    x = 381,401,173,384.76/863,280.90
  6. Step 6: Final answer
    x = 441,804.25

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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.