Home / 762,850.81-1,052,783.30-423,319.03

Finding the Fourth Proportional to 762,850.81, 1,052,783.30 and 423,319.03

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Solution

The fourth proportional to 762,850.81, 1,052,783.30 and 423,319.03 is: 584,207.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,850.81 : 1,052,783.30 = 423,319.03 : x
  2. Step 2: Convert to fraction form
    762,850.81/1,052,783.30 = 423,319.03/x
  3. Step 3: Cross multiply
    762,850.81x = 1,052,783.30 × 423,319.03
  4. Step 4: Simplify right side
    762,850.81x = 445,663,203,239.60
  5. Step 5: Solve for x
    x = 445,663,203,239.60/762,850.81
  6. Step 6: Final answer
    x = 584,207.55

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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.