Home / 682,933.40-1,024,400.10-328,639.40

Finding the Fourth Proportional to 682,933.40, 1,024,400.10 and 328,639.40

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Solution

The fourth proportional to 682,933.40, 1,024,400.10 and 328,639.40 is: 492,959.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,933.40 : 1,024,400.10 = 328,639.40 : x
  2. Step 2: Convert to fraction form
    682,933.40/1,024,400.10 = 328,639.40/x
  3. Step 3: Cross multiply
    682,933.40x = 1,024,400.10 × 328,639.40
  4. Step 4: Simplify right side
    682,933.40x = 336,658,234,223.94
  5. Step 5: Solve for x
    x = 336,658,234,223.94/682,933.40
  6. Step 6: Final answer
    x = 492,959.10

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Similar ratio
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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.