Home / 691,695.21-1,037,241.48-367,412.34

Finding the Fourth Proportional to 691,695.21, 1,037,241.48 and 367,412.34

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Solution

The fourth proportional to 691,695.21, 1,037,241.48 and 367,412.34 is: 550,958.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,695.21 : 1,037,241.48 = 367,412.34 : x
  2. Step 2: Convert to fraction form
    691,695.21/1,037,241.48 = 367,412.34/x
  3. Step 3: Cross multiply
    691,695.21x = 1,037,241.48 × 367,412.34
  4. Step 4: Simplify right side
    691,695.21x = 381,095,317,969.81
  5. Step 5: Solve for x
    x = 381,095,317,969.81/691,695.21
  6. Step 6: Final answer
    x = 550,958.45

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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.