Home / 706,612.55-1,059,277.37-257,015.57

Finding the Fourth Proportional to 706,612.55, 1,059,277.37 and 257,015.57

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Solution

The fourth proportional to 706,612.55, 1,059,277.37 and 257,015.57 is: 385,290.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,612.55 : 1,059,277.37 = 257,015.57 : x
  2. Step 2: Convert to fraction form
    706,612.55/1,059,277.37 = 257,015.57/x
  3. Step 3: Cross multiply
    706,612.55x = 1,059,277.37 × 257,015.57
  4. Step 4: Simplify right side
    706,612.55x = 272,250,770,457.19
  5. Step 5: Solve for x
    x = 272,250,770,457.19/706,612.55
  6. Step 6: Final answer
    x = 385,290.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.