Home / 726,313.00-1,090,152.07-380,344.80

Finding the Fourth Proportional to 726,313.00, 1,090,152.07 and 380,344.80

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Solution

The fourth proportional to 726,313.00, 1,090,152.07 and 380,344.80 is: 570,874.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,313.00 : 1,090,152.07 = 380,344.80 : x
  2. Step 2: Convert to fraction form
    726,313.00/1,090,152.07 = 380,344.80/x
  3. Step 3: Cross multiply
    726,313.00x = 1,090,152.07 × 380,344.80
  4. Step 4: Simplify right side
    726,313.00x = 414,633,671,033.74
  5. Step 5: Solve for x
    x = 414,633,671,033.74/726,313.00
  6. Step 6: Final answer
    x = 570,874.64

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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.