Home / 683,143.20-1,024,714.80-283,578.30

Finding the Fourth Proportional to 683,143.20, 1,024,714.80 and 283,578.30

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Solution

The fourth proportional to 683,143.20, 1,024,714.80 and 283,578.30 is: 425,367.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,143.20 : 1,024,714.80 = 283,578.30 : x
  2. Step 2: Convert to fraction form
    683,143.20/1,024,714.80 = 283,578.30/x
  3. Step 3: Cross multiply
    683,143.20x = 1,024,714.80 × 283,578.30
  4. Step 4: Simplify right side
    683,143.20x = 290,586,880,968.84
  5. Step 5: Solve for x
    x = 290,586,880,968.84/683,143.20
  6. Step 6: Final answer
    x = 425,367.45

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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.