Home / 682,905.40-1,024,358.10-328,611.40

Finding the Fourth Proportional to 682,905.40, 1,024,358.10 and 328,611.40

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Solution

The fourth proportional to 682,905.40, 1,024,358.10 and 328,611.40 is: 492,917.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,905.40 : 1,024,358.10 = 328,611.40 : x
  2. Step 2: Convert to fraction form
    682,905.40/1,024,358.10 = 328,611.40/x
  3. Step 3: Cross multiply
    682,905.40x = 1,024,358.10 × 328,611.40
  4. Step 4: Simplify right side
    682,905.40x = 336,615,749,342.34
  5. Step 5: Solve for x
    x = 336,615,749,342.34/682,905.40
  6. Step 6: Final answer
    x = 492,917.10

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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.