Home / 988,709.34-1,364,429.64-580,828.38

Finding the Fourth Proportional to 988,709.34, 1,364,429.64 and 580,828.38

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Solution

The fourth proportional to 988,709.34, 1,364,429.64 and 580,828.38 is: 801,549.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,709.34 : 1,364,429.64 = 580,828.38 : x
  2. Step 2: Convert to fraction form
    988,709.34/1,364,429.64 = 580,828.38/x
  3. Step 3: Cross multiply
    988,709.34x = 1,364,429.64 × 580,828.38
  4. Step 4: Simplify right side
    988,709.34x = 792,499,457,425.18
  5. Step 5: Solve for x
    x = 792,499,457,425.18/988,709.34
  6. Step 6: Final answer
    x = 801,549.48

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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.