Home / 751,404.05-1,127,475.71-351,975.77

Finding the Fourth Proportional to 751,404.05, 1,127,475.71 and 351,975.77

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Solution

The fourth proportional to 751,404.05, 1,127,475.71 and 351,975.77 is: 528,136.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,404.05 : 1,127,475.71 = 351,975.77 : x
  2. Step 2: Convert to fraction form
    751,404.05/1,127,475.71 = 351,975.77/x
  3. Step 3: Cross multiply
    751,404.05x = 1,127,475.71 × 351,975.77
  4. Step 4: Simplify right side
    751,404.05x = 396,844,133,562.27
  5. Step 5: Solve for x
    x = 396,844,133,562.27/751,404.05
  6. Step 6: Final answer
    x = 528,136.80

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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.