Home / 751,904.10-1,128,151.53-330,884.73

Finding the Fourth Proportional to 751,904.10, 1,128,151.53 and 330,884.73

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Solution

The fourth proportional to 751,904.10, 1,128,151.53 and 330,884.73 is: 496,457.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,904.10 : 1,128,151.53 = 330,884.73 : x
  2. Step 2: Convert to fraction form
    751,904.10/1,128,151.53 = 330,884.73/x
  3. Step 3: Cross multiply
    751,904.10x = 1,128,151.53 × 330,884.73
  4. Step 4: Simplify right side
    751,904.10x = 373,288,114,403.14
  5. Step 5: Solve for x
    x = 373,288,114,403.14/751,904.10
  6. Step 6: Final answer
    x = 496,457.08

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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.