Home / 856,370.39-1,284,153.30-496,643.49

Finding the Fourth Proportional to 856,370.39, 1,284,153.30 and 496,643.49

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Solution

The fourth proportional to 856,370.39, 1,284,153.30 and 496,643.49 is: 744,731.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,370.39 : 1,284,153.30 = 496,643.49 : x
  2. Step 2: Convert to fraction form
    856,370.39/1,284,153.30 = 496,643.49/x
  3. Step 3: Cross multiply
    856,370.39x = 1,284,153.30 × 496,643.49
  4. Step 4: Simplify right side
    856,370.39x = 637,766,376,607.02
  5. Step 5: Solve for x
    x = 637,766,376,607.02/856,370.39
  6. Step 6: Final answer
    x = 744,731.94

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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.