Home / 692,268.21-1,038,060.24-212,381.18

Finding the Fourth Proportional to 692,268.21, 1,038,060.24 and 212,381.18

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Solution

The fourth proportional to 692,268.21, 1,038,060.24 and 212,381.18 is: 318,466.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,268.21 : 1,038,060.24 = 212,381.18 : x
  2. Step 2: Convert to fraction form
    692,268.21/1,038,060.24 = 212,381.18/x
  3. Step 3: Cross multiply
    692,268.21x = 1,038,060.24 × 212,381.18
  4. Step 4: Simplify right side
    692,268.21x = 220,464,458,682.28
  5. Step 5: Solve for x
    x = 220,464,458,682.28/692,268.21
  6. Step 6: Final answer
    x = 318,466.82

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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.