Home / 682,899.20-1,024,502.40-209,606.40

Finding the Fourth Proportional to 682,899.20, 1,024,502.40 and 209,606.40

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Solution

The fourth proportional to 682,899.20, 1,024,502.40 and 209,606.40 is: 314,456.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,899.20 : 1,024,502.40 = 209,606.40 : x
  2. Step 2: Convert to fraction form
    682,899.20/1,024,502.40 = 209,606.40/x
  3. Step 3: Cross multiply
    682,899.20x = 1,024,502.40 × 209,606.40
  4. Step 4: Simplify right side
    682,899.20x = 214,742,259,855.36
  5. Step 5: Solve for x
    x = 214,742,259,855.36/682,899.20
  6. Step 6: Final answer
    x = 314,456.75

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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.