Home / 651,880.20-977,820.30-333,015.60

Finding the Fourth Proportional to 651,880.20, 977,820.30 and 333,015.60

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Solution

The fourth proportional to 651,880.20, 977,820.30 and 333,015.60 is: 499,523.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,880.20 : 977,820.30 = 333,015.60 : x
  2. Step 2: Convert to fraction form
    651,880.20/977,820.30 = 333,015.60/x
  3. Step 3: Cross multiply
    651,880.20x = 977,820.30 × 333,015.60
  4. Step 4: Simplify right side
    651,880.20x = 325,629,413,896.68
  5. Step 5: Solve for x
    x = 325,629,413,896.68/651,880.20
  6. Step 6: Final answer
    x = 499,523.40

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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.