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Finding the Fourth Proportional to 816,630, 1,126,896 and 454,040.52

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Solution

The fourth proportional to 816,630, 1,126,896 and 454,040.52 is: 626,546.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,630 : 1,126,896 = 454,040.52 : x
  2. Step 2: Convert to fraction form
    816,630/1,126,896 = 454,040.52/x
  3. Step 3: Cross multiply
    816,630x = 1,126,896 × 454,040.52
  4. Step 4: Simplify right side
    816,630x = 511,656,445,825.92
  5. Step 5: Solve for x
    x = 511,656,445,825.92/816,630
  6. Step 6: Final answer
    x = 626,546.23

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.