Home / 769,414.08-1,153,975.92-208,374.72

Finding the Fourth Proportional to 769,414.08, 1,153,975.92 and 208,374.72

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Solution

The fourth proportional to 769,414.08, 1,153,975.92 and 208,374.72 is: 312,522.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,414.08 : 1,153,975.92 = 208,374.72 : x
  2. Step 2: Convert to fraction form
    769,414.08/1,153,975.92 = 208,374.72/x
  3. Step 3: Cross multiply
    769,414.08x = 1,153,975.92 × 208,374.72
  4. Step 4: Simplify right side
    769,414.08x = 240,459,409,216.74
  5. Step 5: Solve for x
    x = 240,459,409,216.74/769,414.08
  6. Step 6: Final answer
    x = 312,522.76

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1.5x scale

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.