Home / 679,600.90-1,019,984.55-301,104.10

Finding the Fourth Proportional to 679,600.90, 1,019,984.55 and 301,104.10

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Solution

The fourth proportional to 679,600.90, 1,019,984.55 and 301,104.10 is: 451,914.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,600.90 : 1,019,984.55 = 301,104.10 : x
  2. Step 2: Convert to fraction form
    679,600.90/1,019,984.55 = 301,104.10/x
  3. Step 3: Cross multiply
    679,600.90x = 1,019,984.55 × 301,104.10
  4. Step 4: Simplify right side
    679,600.90x = 307,121,529,941.66
  5. Step 5: Solve for x
    x = 307,121,529,941.66/679,600.90
  6. Step 6: Final answer
    x = 451,914.54

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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.