Home / 682,901.20-942,455.88-377,036.56

Finding the Fourth Proportional to 682,901.20, 942,455.88 and 377,036.56

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Solution

The fourth proportional to 682,901.20, 942,455.88 and 377,036.56 is: 520,339.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,901.20 : 942,455.88 = 377,036.56 : x
  2. Step 2: Convert to fraction form
    682,901.20/942,455.88 = 377,036.56/x
  3. Step 3: Cross multiply
    682,901.20x = 942,455.88 × 377,036.56
  4. Step 4: Simplify right side
    682,901.20x = 355,340,322,946.97
  5. Step 5: Solve for x
    x = 355,340,322,946.97/682,901.20
  6. Step 6: Final answer
    x = 520,339.29

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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.