Home / 682,826.74-942,300.97-376,903.20

Finding the Fourth Proportional to 682,826.74, 942,300.97 and 376,903.20

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Solution

The fourth proportional to 682,826.74, 942,300.97 and 376,903.20 is: 520,126.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,826.74 : 942,300.97 = 376,903.20 : x
  2. Step 2: Convert to fraction form
    682,826.74/942,300.97 = 376,903.20/x
  3. Step 3: Cross multiply
    682,826.74x = 942,300.97 × 376,903.20
  4. Step 4: Simplify right side
    682,826.74x = 355,156,250,013.85
  5. Step 5: Solve for x
    x = 355,156,250,013.85/682,826.74
  6. Step 6: Final answer
    x = 520,126.45

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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.