Home / 769,046.87-1,152,820.50-307,287.23

Finding the Fourth Proportional to 769,046.87, 1,152,820.50 and 307,287.23

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Solution

The fourth proportional to 769,046.87, 1,152,820.50 and 307,287.23 is: 460,631.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,046.87 : 1,152,820.50 = 307,287.23 : x
  2. Step 2: Convert to fraction form
    769,046.87/1,152,820.50 = 307,287.23/x
  3. Step 3: Cross multiply
    769,046.87x = 1,152,820.50 × 307,287.23
  4. Step 4: Simplify right side
    769,046.87x = 354,247,012,368.11
  5. Step 5: Solve for x
    x = 354,247,012,368.11/769,046.87
  6. Step 6: Final answer
    x = 460,631.24

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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.