Finding the Fourth Proportional to 998,518.40, 1,497,777.60 and 679,653.80
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Solution
The fourth proportional to 998,518.40, 1,497,777.60 and 679,653.80 is: 1,019,480.70
Step by Step Solution
- Step 1: Write the proportion equation
998,518.40 : 1,497,777.60 = 679,653.80 : x - Step 2: Convert to fraction form
998,518.40/1,497,777.60 = 679,653.80/x - Step 3: Cross multiply
998,518.40x = 1,497,777.60 × 679,653.80 - Step 4: Simplify right side
998,518.40x = 1,017,970,237,394.88 - Step 5: Solve for x
x = 1,017,970,237,394.88/998,518.40 - Step 6: Final answer
x = 1,019,480.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.