Home / 983,100.38-1,474,660.30-309,166.62

Finding the Fourth Proportional to 983,100.38, 1,474,660.30 and 309,166.62

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Solution

The fourth proportional to 983,100.38, 1,474,660.30 and 309,166.62 is: 463,752.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,100.38 : 1,474,660.30 = 309,166.62 : x
  2. Step 2: Convert to fraction form
    983,100.38/1,474,660.30 = 309,166.62/x
  3. Step 3: Cross multiply
    983,100.38x = 1,474,660.30 × 309,166.62
  4. Step 4: Simplify right side
    983,100.38x = 455,915,740,599.19
  5. Step 5: Solve for x
    x = 455,915,740,599.19/983,100.38
  6. Step 6: Final answer
    x = 463,752.99

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Double scale
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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.