Finding the Fourth Proportional to 691,870.60, 1,037,708.70 and 218,603.80
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Solution
The fourth proportional to 691,870.60, 1,037,708.70 and 218,603.80 is: 327,874.99
Step by Step Solution
- Step 1: Write the proportion equation
691,870.60 : 1,037,708.70 = 218,603.80 : x - Step 2: Convert to fraction form
691,870.60/1,037,708.70 = 218,603.80/x - Step 3: Cross multiply
691,870.60x = 1,037,708.70 × 218,603.80 - Step 4: Simplify right side
691,870.60x = 226,847,065,113.06 - Step 5: Solve for x
x = 226,847,065,113.06/691,870.60 - Step 6: Final answer
x = 327,874.99
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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.