Home / 856,626.54-1,284,035.60-287,468.00

Finding the Fourth Proportional to 856,626.54, 1,284,035.60 and 287,468.00

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Solution

The fourth proportional to 856,626.54, 1,284,035.60 and 287,468.00 is: 430,898.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,626.54 : 1,284,035.60 = 287,468.00 : x
  2. Step 2: Convert to fraction form
    856,626.54/1,284,035.60 = 287,468.00/x
  3. Step 3: Cross multiply
    856,626.54x = 1,284,035.60 × 287,468.00
  4. Step 4: Simplify right side
    856,626.54x = 369,119,139,440.62
  5. Step 5: Solve for x
    x = 369,119,139,440.62/856,626.54
  6. Step 6: Final answer
    x = 430,898.56

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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.