Home / 724,014.40-1,086,021.60-350,766.40

Finding the Fourth Proportional to 724,014.40, 1,086,021.60 and 350,766.40

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Solution

The fourth proportional to 724,014.40, 1,086,021.60 and 350,766.40 is: 526,149.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,014.40 : 1,086,021.60 = 350,766.40 : x
  2. Step 2: Convert to fraction form
    724,014.40/1,086,021.60 = 350,766.40/x
  3. Step 3: Cross multiply
    724,014.40x = 1,086,021.60 × 350,766.40
  4. Step 4: Simplify right side
    724,014.40x = 380,939,886,954.24
  5. Step 5: Solve for x
    x = 380,939,886,954.24/724,014.40
  6. Step 6: Final answer
    x = 526,149.60

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Half scale
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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.