Home / 724,607.46-1,085,255.78-345,794.22

Finding the Fourth Proportional to 724,607.46, 1,085,255.78 and 345,794.22

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Solution

The fourth proportional to 724,607.46, 1,085,255.78 and 345,794.22 is: 517,901.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,607.46 : 1,085,255.78 = 345,794.22 : x
  2. Step 2: Convert to fraction form
    724,607.46/1,085,255.78 = 345,794.22/x
  3. Step 3: Cross multiply
    724,607.46x = 1,085,255.78 × 345,794.22
  4. Step 4: Simplify right side
    724,607.46x = 375,275,174,216.62
  5. Step 5: Solve for x
    x = 375,275,174,216.62/724,607.46
  6. Step 6: Final answer
    x = 517,901.34

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1.5x scale

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.