Home / 682,567.56-1,024,000.74-209,289.84

Finding the Fourth Proportional to 682,567.56, 1,024,000.74 and 209,289.84

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Solution

The fourth proportional to 682,567.56, 1,024,000.74 and 209,289.84 is: 313,980.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,567.56 : 1,024,000.74 = 209,289.84 : x
  2. Step 2: Convert to fraction form
    682,567.56/1,024,000.74 = 209,289.84/x
  3. Step 3: Cross multiply
    682,567.56x = 1,024,000.74 × 209,289.84
  4. Step 4: Simplify right side
    682,567.56x = 214,312,951,034.48
  5. Step 5: Solve for x
    x = 214,312,951,034.48/682,567.56
  6. Step 6: Final answer
    x = 313,980.57

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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.