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Finding the Fourth Proportional to 704,175.36, 971,786.88 and 503,450.88

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Solution

The fourth proportional to 704,175.36, 971,786.88 and 503,450.88 is: 694,780.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,175.36 : 971,786.88 = 503,450.88 : x
  2. Step 2: Convert to fraction form
    704,175.36/971,786.88 = 503,450.88/x
  3. Step 3: Cross multiply
    704,175.36x = 971,786.88 × 503,450.88
  4. Step 4: Simplify right side
    704,175.36x = 489,246,959,908.45
  5. Step 5: Solve for x
    x = 489,246,959,908.45/704,175.36
  6. Step 6: Final answer
    x = 694,780.00

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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.