Home / 831,956.24-1,248,072.32-292,072.40

Finding the Fourth Proportional to 831,956.24, 1,248,072.32 and 292,072.40

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Solution

The fourth proportional to 831,956.24, 1,248,072.32 and 292,072.40 is: 438,157.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,956.24 : 1,248,072.32 = 292,072.40 : x
  2. Step 2: Convert to fraction form
    831,956.24/1,248,072.32 = 292,072.40/x
  3. Step 3: Cross multiply
    831,956.24x = 1,248,072.32 × 292,072.40
  4. Step 4: Simplify right side
    831,956.24x = 364,527,471,635.61
  5. Step 5: Solve for x
    x = 364,527,471,635.61/831,956.24
  6. Step 6: Final answer
    x = 438,157.03

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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.