Home / 549,578.03-758,425.53-320,129.33

Finding the Fourth Proportional to 549,578.03, 758,425.53 and 320,129.33

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Solution

The fourth proportional to 549,578.03, 758,425.53 and 320,129.33 is: 441,783.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,578.03 : 758,425.53 = 320,129.33 : x
  2. Step 2: Convert to fraction form
    549,578.03/758,425.53 = 320,129.33/x
  3. Step 3: Cross multiply
    549,578.03x = 758,425.53 × 320,129.33
  4. Step 4: Simplify right side
    549,578.03x = 242,794,259,870.34
  5. Step 5: Solve for x
    x = 242,794,259,870.34/549,578.03
  6. Step 6: Final answer
    x = 441,783.05

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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.