Finding the Fourth Proportional to 998,687.50, 1,378,272.71 and 611,501.02
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Solution
The fourth proportional to 998,687.50, 1,378,272.71 and 611,501.02 is: 843,922.82
Step by Step Solution
- Step 1: Write the proportion equation
998,687.50 : 1,378,272.71 = 611,501.02 : x - Step 2: Convert to fraction form
998,687.50/1,378,272.71 = 611,501.02/x - Step 3: Cross multiply
998,687.50x = 1,378,272.71 × 611,501.02 - Step 4: Simplify right side
998,687.50x = 842,815,166,086.24 - Step 5: Solve for x
x = 842,815,166,086.24/998,687.50 - Step 6: Final answer
x = 843,922.82
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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.