Home / 549,975.60-757,546.65-388,550.43

Finding the Fourth Proportional to 549,975.60, 757,546.65 and 388,550.43

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Solution

The fourth proportional to 549,975.60, 757,546.65 and 388,550.43 is: 535,196.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,975.60 : 757,546.65 = 388,550.43 : x
  2. Step 2: Convert to fraction form
    549,975.60/757,546.65 = 388,550.43/x
  3. Step 3: Cross multiply
    549,975.60x = 757,546.65 × 388,550.43
  4. Step 4: Simplify right side
    549,975.60x = 294,345,076,602.56
  5. Step 5: Solve for x
    x = 294,345,076,602.56/549,975.60
  6. Step 6: Final answer
    x = 535,196.61

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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.