Home / 682,636.09-1,024,583.06-345,915.30

Finding the Fourth Proportional to 682,636.09, 1,024,583.06 and 345,915.30

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Solution

The fourth proportional to 682,636.09, 1,024,583.06 and 345,915.30 is: 519,191.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,636.09 : 1,024,583.06 = 345,915.30 : x
  2. Step 2: Convert to fraction form
    682,636.09/1,024,583.06 = 345,915.30/x
  3. Step 3: Cross multiply
    682,636.09x = 1,024,583.06 × 345,915.30
  4. Step 4: Simplify right side
    682,636.09x = 354,418,956,574.82
  5. Step 5: Solve for x
    x = 354,418,956,574.82/682,636.09
  6. Step 6: Final answer
    x = 519,191.65

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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.