Home / 751,642.07-1,037,308.48-445,899.47

Finding the Fourth Proportional to 751,642.07, 1,037,308.48 and 445,899.47

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Solution

The fourth proportional to 751,642.07, 1,037,308.48 and 445,899.47 is: 615,366.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,642.07 : 1,037,308.48 = 445,899.47 : x
  2. Step 2: Convert to fraction form
    751,642.07/1,037,308.48 = 445,899.47/x
  3. Step 3: Cross multiply
    751,642.07x = 1,037,308.48 × 445,899.47
  4. Step 4: Simplify right side
    751,642.07x = 462,535,295,157.22
  5. Step 5: Solve for x
    x = 462,535,295,157.22/751,642.07
  6. Step 6: Final answer
    x = 615,366.43

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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.