Home / 856,369.64-1,284,152.18-496,642.73

Finding the Fourth Proportional to 856,369.64, 1,284,152.18 and 496,642.73

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Solution

The fourth proportional to 856,369.64, 1,284,152.18 and 496,642.73 is: 744,730.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,369.64 : 1,284,152.18 = 496,642.73 : x
  2. Step 2: Convert to fraction form
    856,369.64/1,284,152.18 = 496,642.73/x
  3. Step 3: Cross multiply
    856,369.64x = 1,284,152.18 × 496,642.73
  4. Step 4: Simplify right side
    856,369.64x = 637,764,845,137.82
  5. Step 5: Solve for x
    x = 637,764,845,137.82/856,369.64
  6. Step 6: Final answer
    x = 744,730.80

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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.