Home / 824,662.60-1,236,993.90-492,886.60

Finding the Fourth Proportional to 824,662.60, 1,236,993.90 and 492,886.60

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Solution

The fourth proportional to 824,662.60, 1,236,993.90 and 492,886.60 is: 739,329.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,662.60 : 1,236,993.90 = 492,886.60 : x
  2. Step 2: Convert to fraction form
    824,662.60/1,236,993.90 = 492,886.60/x
  3. Step 3: Cross multiply
    824,662.60x = 1,236,993.90 × 492,886.60
  4. Step 4: Simplify right side
    824,662.60x = 609,697,717,591.74
  5. Step 5: Solve for x
    x = 609,697,717,591.74/824,662.60
  6. Step 6: Final answer
    x = 739,329.90

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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.