Home / 682,433.20-1,024,427.40-402,108.40

Finding the Fourth Proportional to 682,433.20, 1,024,427.40 and 402,108.40

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Solution

The fourth proportional to 682,433.20, 1,024,427.40 and 402,108.40 is: 603,620.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,433.20 : 1,024,427.40 = 402,108.40 : x
  2. Step 2: Convert to fraction form
    682,433.20/1,024,427.40 = 402,108.40/x
  3. Step 3: Cross multiply
    682,433.20x = 1,024,427.40 × 402,108.40
  4. Step 4: Simplify right side
    682,433.20x = 411,930,862,730.16
  5. Step 5: Solve for x
    x = 411,930,862,730.16/682,433.20
  6. Step 6: Final answer
    x = 603,620.78

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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.