Home / 756,823.56-1,044,490.32-565,504.80

Finding the Fourth Proportional to 756,823.56, 1,044,490.32 and 565,504.80

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Solution

The fourth proportional to 756,823.56, 1,044,490.32 and 565,504.80 is: 780,451.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,823.56 : 1,044,490.32 = 565,504.80 : x
  2. Step 2: Convert to fraction form
    756,823.56/1,044,490.32 = 565,504.80/x
  3. Step 3: Cross multiply
    756,823.56x = 1,044,490.32 × 565,504.80
  4. Step 4: Simplify right side
    756,823.56x = 590,664,289,513.54
  5. Step 5: Solve for x
    x = 590,664,289,513.54/756,823.56
  6. Step 6: Final answer
    x = 780,451.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.