Home / 815,396.41-1,125,284.40-452,821.88

Finding the Fourth Proportional to 815,396.41, 1,125,284.40 and 452,821.88

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Solution

The fourth proportional to 815,396.41, 1,125,284.40 and 452,821.88 is: 624,914.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,396.41 : 1,125,284.40 = 452,821.88 : x
  2. Step 2: Convert to fraction form
    815,396.41/1,125,284.40 = 452,821.88/x
  3. Step 3: Cross multiply
    815,396.41x = 1,125,284.40 × 452,821.88
  4. Step 4: Simplify right side
    815,396.41x = 509,553,394,026.16
  5. Step 5: Solve for x
    x = 509,553,394,026.16/815,396.41
  6. Step 6: Final answer
    x = 624,914.94

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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.