Home / 949,098.20-1,423,795.78-309,253.42

Finding the Fourth Proportional to 949,098.20, 1,423,795.78 and 309,253.42

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Solution

The fourth proportional to 949,098.20, 1,423,795.78 and 309,253.42 is: 463,928.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,098.20 : 1,423,795.78 = 309,253.42 : x
  2. Step 2: Convert to fraction form
    949,098.20/1,423,795.78 = 309,253.42/x
  3. Step 3: Cross multiply
    949,098.20x = 1,423,795.78 × 309,253.42
  4. Step 4: Simplify right side
    949,098.20x = 440,313,710,768.90
  5. Step 5: Solve for x
    x = 440,313,710,768.90/949,098.20
  6. Step 6: Final answer
    x = 463,928.51

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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.