Home / 958,783.68-1,438,725.03-390,059.82

Finding the Fourth Proportional to 958,783.68, 1,438,725.03 and 390,059.82

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Solution

The fourth proportional to 958,783.68, 1,438,725.03 and 390,059.82 is: 585,313.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,783.68 : 1,438,725.03 = 390,059.82 : x
  2. Step 2: Convert to fraction form
    958,783.68/1,438,725.03 = 390,059.82/x
  3. Step 3: Cross multiply
    958,783.68x = 1,438,725.03 × 390,059.82
  4. Step 4: Simplify right side
    958,783.68x = 561,188,826,231.30
  5. Step 5: Solve for x
    x = 561,188,826,231.30/958,783.68
  6. Step 6: Final answer
    x = 585,313.29

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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.