Home / 549,917.76-758,895.48-308,254.08

Finding the Fourth Proportional to 549,917.76, 758,895.48 and 308,254.08

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Solution

The fourth proportional to 549,917.76, 758,895.48 and 308,254.08 is: 425,395.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,917.76 : 758,895.48 = 308,254.08 : x
  2. Step 2: Convert to fraction form
    549,917.76/758,895.48 = 308,254.08/x
  3. Step 3: Cross multiply
    549,917.76x = 758,895.48 × 308,254.08
  4. Step 4: Simplify right side
    549,917.76x = 233,932,628,003.56
  5. Step 5: Solve for x
    x = 233,932,628,003.56/549,917.76
  6. Step 6: Final answer
    x = 425,395.66

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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.