Home / 751,524.07-1,037,075.42-407,352.60

Finding the Fourth Proportional to 751,524.07, 1,037,075.42 and 407,352.60

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Solution

The fourth proportional to 751,524.07, 1,037,075.42 and 407,352.60 is: 562,131.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,524.07 : 1,037,075.42 = 407,352.60 : x
  2. Step 2: Convert to fraction form
    751,524.07/1,037,075.42 = 407,352.60/x
  3. Step 3: Cross multiply
    751,524.07x = 1,037,075.42 × 407,352.60
  4. Step 4: Simplify right side
    751,524.07x = 422,455,368,733.09
  5. Step 5: Solve for x
    x = 422,455,368,733.09/751,524.07
  6. Step 6: Final answer
    x = 562,131.52

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.