Home / 682,901.52-942,355.77-376,928.82

Finding the Fourth Proportional to 682,901.52, 942,355.77 and 376,928.82

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Solution

The fourth proportional to 682,901.52, 942,355.77 and 376,928.82 is: 520,135.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,901.52 : 942,355.77 = 376,928.82 : x
  2. Step 2: Convert to fraction form
    682,901.52/942,355.77 = 376,928.82/x
  3. Step 3: Cross multiply
    682,901.52x = 942,355.77 × 376,928.82
  4. Step 4: Simplify right side
    682,901.52x = 355,201,048,406.29
  5. Step 5: Solve for x
    x = 355,201,048,406.29/682,901.52
  6. Step 6: Final answer
    x = 520,135.10

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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.