Home / 769,047.87-1,152,822-307,288.23

Finding the Fourth Proportional to 769,047.87, 1,152,822 and 307,288.23

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Solution

The fourth proportional to 769,047.87, 1,152,822 and 307,288.23 is: 460,632.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,047.87 : 1,152,822 = 307,288.23 : x
  2. Step 2: Convert to fraction form
    769,047.87/1,152,822 = 307,288.23/x
  3. Step 3: Cross multiply
    769,047.87x = 1,152,822 × 307,288.23
  4. Step 4: Simplify right side
    769,047.87x = 354,248,631,885.06
  5. Step 5: Solve for x
    x = 354,248,631,885.06/769,047.87
  6. Step 6: Final answer
    x = 460,632.75

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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.