Home / 703,604.43-971,078.33-445,505.36

Finding the Fourth Proportional to 703,604.43, 971,078.33 and 445,505.36

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Solution

The fourth proportional to 703,604.43, 971,078.33 and 445,505.36 is: 614,863.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,604.43 : 971,078.33 = 445,505.36 : x
  2. Step 2: Convert to fraction form
    703,604.43/971,078.33 = 445,505.36/x
  3. Step 3: Cross multiply
    703,604.43x = 971,078.33 × 445,505.36
  4. Step 4: Simplify right side
    703,604.43x = 432,620,600,994.85
  5. Step 5: Solve for x
    x = 432,620,600,994.85/703,604.43
  6. Step 6: Final answer
    x = 614,863.38

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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.