Home / 800,659.95-1,105,192.23-494,970.81

Finding the Fourth Proportional to 800,659.95, 1,105,192.23 and 494,970.81

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Solution

The fourth proportional to 800,659.95, 1,105,192.23 and 494,970.81 is: 683,233.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,659.95 : 1,105,192.23 = 494,970.81 : x
  2. Step 2: Convert to fraction form
    800,659.95/1,105,192.23 = 494,970.81/x
  3. Step 3: Cross multiply
    800,659.95x = 1,105,192.23 × 494,970.81
  4. Step 4: Simplify right side
    800,659.95x = 547,037,893,288.81
  5. Step 5: Solve for x
    x = 547,037,893,288.81/800,659.95
  6. Step 6: Final answer
    x = 683,233.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.