Home / 843,558.42-1,265,337.62-212,521.44

Finding the Fourth Proportional to 843,558.42, 1,265,337.62 and 212,521.44

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Solution

The fourth proportional to 843,558.42, 1,265,337.62 and 212,521.44 is: 318,782.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,558.42 : 1,265,337.62 = 212,521.44 : x
  2. Step 2: Convert to fraction form
    843,558.42/1,265,337.62 = 212,521.44/x
  3. Step 3: Cross multiply
    843,558.42x = 1,265,337.62 × 212,521.44
  4. Step 4: Simplify right side
    843,558.42x = 268,911,373,088.57
  5. Step 5: Solve for x
    x = 268,911,373,088.57/843,558.42
  6. Step 6: Final answer
    x = 318,782.16

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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.