Home / 682,959.40-1,024,439.10-328,665.40

Finding the Fourth Proportional to 682,959.40, 1,024,439.10 and 328,665.40

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Solution

The fourth proportional to 682,959.40, 1,024,439.10 and 328,665.40 is: 492,998.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,959.40 : 1,024,439.10 = 328,665.40 : x
  2. Step 2: Convert to fraction form
    682,959.40/1,024,439.10 = 328,665.40/x
  3. Step 3: Cross multiply
    682,959.40x = 1,024,439.10 × 328,665.40
  4. Step 4: Simplify right side
    682,959.40x = 336,697,686,577.14
  5. Step 5: Solve for x
    x = 336,697,686,577.14/682,959.40
  6. Step 6: Final answer
    x = 492,998.10

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Double scale
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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.