Home / 816,014.40-1,224,021.60-216,974.40

Finding the Fourth Proportional to 816,014.40, 1,224,021.60 and 216,974.40

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Solution

The fourth proportional to 816,014.40, 1,224,021.60 and 216,974.40 is: 325,461.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,014.40 : 1,224,021.60 = 216,974.40 : x
  2. Step 2: Convert to fraction form
    816,014.40/1,224,021.60 = 216,974.40/x
  3. Step 3: Cross multiply
    816,014.40x = 1,224,021.60 × 216,974.40
  4. Step 4: Simplify right side
    816,014.40x = 265,581,352,247.04
  5. Step 5: Solve for x
    x = 265,581,352,247.04/816,014.40
  6. Step 6: Final answer
    x = 325,461.60

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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.