Home / 756,816.53-1,133,940.15-456,666.41

Finding the Fourth Proportional to 756,816.53, 1,133,940.15 and 456,666.41

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Solution

The fourth proportional to 756,816.53, 1,133,940.15 and 456,666.41 is: 684,224.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,816.53 : 1,133,940.15 = 456,666.41 : x
  2. Step 2: Convert to fraction form
    756,816.53/1,133,940.15 = 456,666.41/x
  3. Step 3: Cross multiply
    756,816.53x = 1,133,940.15 × 456,666.41
  4. Step 4: Simplify right side
    756,816.53x = 517,832,380,290.21
  5. Step 5: Solve for x
    x = 517,832,380,290.21/756,816.53
  6. Step 6: Final answer
    x = 684,224.46

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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.