Home / 872,550.24-1,203,715.20-509,989.44

Finding the Fourth Proportional to 872,550.24, 1,203,715.20 and 509,989.44

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Solution

The fourth proportional to 872,550.24, 1,203,715.20 and 509,989.44 is: 703,549.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,550.24 : 1,203,715.20 = 509,989.44 : x
  2. Step 2: Convert to fraction form
    872,550.24/1,203,715.20 = 509,989.44/x
  3. Step 3: Cross multiply
    872,550.24x = 1,203,715.20 × 509,989.44
  4. Step 4: Simplify right side
    872,550.24x = 613,882,040,767.49
  5. Step 5: Solve for x
    x = 613,882,040,767.49/872,550.24
  6. Step 6: Final answer
    x = 703,549.22

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Double scale
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1.5x scale

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.