Home / 949,292.39-1,424,025.11-309,431.89

Finding the Fourth Proportional to 949,292.39, 1,424,025.11 and 309,431.89

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Solution

The fourth proportional to 949,292.39, 1,424,025.11 and 309,431.89 is: 464,176.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,292.39 : 1,424,025.11 = 309,431.89 : x
  2. Step 2: Convert to fraction form
    949,292.39/1,424,025.11 = 309,431.89/x
  3. Step 3: Cross multiply
    949,292.39x = 1,424,025.11 × 309,431.89
  4. Step 4: Simplify right side
    949,292.39x = 440,638,784,753.01
  5. Step 5: Solve for x
    x = 440,638,784,753.01/949,292.39
  6. Step 6: Final answer
    x = 464,176.04

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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.