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Finding the Fourth Proportional to 894,856.71, 1,234,902.42 and 492,448.71

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Solution

The fourth proportional to 894,856.71, 1,234,902.42 and 492,448.71 is: 679,579.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    894,856.71 : 1,234,902.42 = 492,448.71 : x
  2. Step 2: Convert to fraction form
    894,856.71/1,234,902.42 = 492,448.71/x
  3. Step 3: Cross multiply
    894,856.71x = 1,234,902.42 × 492,448.71
  4. Step 4: Simplify right side
    894,856.71x = 608,126,103,704.88
  5. Step 5: Solve for x
    x = 608,126,103,704.88/894,856.71
  6. Step 6: Final answer
    x = 679,579.31

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.