Home / 769,730.76-1,154,766.24-264,280.23

Finding the Fourth Proportional to 769,730.76, 1,154,766.24 and 264,280.23

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Solution

The fourth proportional to 769,730.76, 1,154,766.24 and 264,280.23 is: 396,478.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,730.76 : 1,154,766.24 = 264,280.23 : x
  2. Step 2: Convert to fraction form
    769,730.76/1,154,766.24 = 264,280.23/x
  3. Step 3: Cross multiply
    769,730.76x = 1,154,766.24 × 264,280.23
  4. Step 4: Simplify right side
    769,730.76x = 305,181,887,503.44
  5. Step 5: Solve for x
    x = 305,181,887,503.44/769,730.76
  6. Step 6: Final answer
    x = 396,478.75

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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.