Home / 549,796.18-758,268.90-386,991.64

Finding the Fourth Proportional to 549,796.18, 758,268.90 and 386,991.64

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Solution

The fourth proportional to 549,796.18, 758,268.90 and 386,991.64 is: 533,731.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,796.18 : 758,268.90 = 386,991.64 : x
  2. Step 2: Convert to fraction form
    549,796.18/758,268.90 = 386,991.64/x
  3. Step 3: Cross multiply
    549,796.18x = 758,268.90 × 386,991.64
  4. Step 4: Simplify right side
    549,796.18x = 293,443,725,172.00
  5. Step 5: Solve for x
    x = 293,443,725,172.00/549,796.18
  6. Step 6: Final answer
    x = 533,731.84

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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.