Home / 748,958.85-1,033,272.79-476,978.06

Finding the Fourth Proportional to 748,958.85, 1,033,272.79 and 476,978.06

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Solution

The fourth proportional to 748,958.85, 1,033,272.79 and 476,978.06 is: 658,044.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,958.85 : 1,033,272.79 = 476,978.06 : x
  2. Step 2: Convert to fraction form
    748,958.85/1,033,272.79 = 476,978.06/x
  3. Step 3: Cross multiply
    748,958.85x = 1,033,272.79 × 476,978.06
  4. Step 4: Simplify right side
    748,958.85x = 492,848,452,215.72
  5. Step 5: Solve for x
    x = 492,848,452,215.72/748,958.85
  6. Step 6: Final answer
    x = 658,044.77

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1.5x scale

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.