Home / 682,733.80-942,153.06-380,921.32

Finding the Fourth Proportional to 682,733.80, 942,153.06 and 380,921.32

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Solution

The fourth proportional to 682,733.80, 942,153.06 and 380,921.32 is: 525,660.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,733.80 : 942,153.06 = 380,921.32 : x
  2. Step 2: Convert to fraction form
    682,733.80/942,153.06 = 380,921.32/x
  3. Step 3: Cross multiply
    682,733.80x = 942,153.06 × 380,921.32
  4. Step 4: Simplify right side
    682,733.80x = 358,886,187,257.24
  5. Step 5: Solve for x
    x = 358,886,187,257.24/682,733.80
  6. Step 6: Final answer
    x = 525,660.49

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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.