Home / 769,043.86-1,152,816.01-307,284.23

Finding the Fourth Proportional to 769,043.86, 1,152,816.01 and 307,284.23

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Solution

The fourth proportional to 769,043.86, 1,152,816.01 and 307,284.23 is: 460,626.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,043.86 : 1,152,816.01 = 307,284.23 : x
  2. Step 2: Convert to fraction form
    769,043.86/1,152,816.01 = 307,284.23/x
  3. Step 3: Cross multiply
    769,043.86x = 1,152,816.01 × 307,284.23
  4. Step 4: Simplify right side
    769,043.86x = 354,242,173,432.23
  5. Step 5: Solve for x
    x = 354,242,173,432.23/769,043.86
  6. Step 6: Final answer
    x = 460,626.75

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Double scale
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Similar ratio
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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.