Home / 793,090.08-1,188,660.78-312,835.82

Finding the Fourth Proportional to 793,090.08, 1,188,660.78 and 312,835.82

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Solution

The fourth proportional to 793,090.08, 1,188,660.78 and 312,835.82 is: 468,869.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    793,090.08 : 1,188,660.78 = 312,835.82 : x
  2. Step 2: Convert to fraction form
    793,090.08/1,188,660.78 = 312,835.82/x
  3. Step 3: Cross multiply
    793,090.08x = 1,188,660.78 × 312,835.82
  4. Step 4: Simplify right side
    793,090.08x = 371,855,663,869.84
  5. Step 5: Solve for x
    x = 371,855,663,869.84/793,090.08
  6. Step 6: Final answer
    x = 468,869.39

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1.5x scale

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.