Home / 549,025.43-758,127.93-345,415.73

Finding the Fourth Proportional to 549,025.43, 758,127.93 and 345,415.73

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Solution

The fourth proportional to 549,025.43, 758,127.93 and 345,415.73 is: 476,971.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,025.43 : 758,127.93 = 345,415.73 : x
  2. Step 2: Convert to fraction form
    549,025.43/758,127.93 = 345,415.73/x
  3. Step 3: Cross multiply
    549,025.43x = 758,127.93 × 345,415.73
  4. Step 4: Simplify right side
    549,025.43x = 261,869,314,269.66
  5. Step 5: Solve for x
    x = 261,869,314,269.66/549,025.43
  6. Step 6: Final answer
    x = 476,971.19

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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.