Home / 830,455.60-1,245,683.40-269,546.80

Finding the Fourth Proportional to 830,455.60, 1,245,683.40 and 269,546.80

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Solution

The fourth proportional to 830,455.60, 1,245,683.40 and 269,546.80 is: 404,320.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,455.60 : 1,245,683.40 = 269,546.80 : x
  2. Step 2: Convert to fraction form
    830,455.60/1,245,683.40 = 269,546.80/x
  3. Step 3: Cross multiply
    830,455.60x = 1,245,683.40 × 269,546.80
  4. Step 4: Simplify right side
    830,455.60x = 335,769,974,283.12
  5. Step 5: Solve for x
    x = 335,769,974,283.12/830,455.60
  6. Step 6: Final answer
    x = 404,320.20

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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.