Finding the Fourth Proportional to 698,517.58, 1,046,899.86 and 298,688.19
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Solution
The fourth proportional to 698,517.58, 1,046,899.86 and 298,688.19 is: 447,657.48
Step by Step Solution
- Step 1: Write the proportion equation
698,517.58 : 1,046,899.86 = 298,688.19 : x - Step 2: Convert to fraction form
698,517.58/1,046,899.86 = 298,688.19/x - Step 3: Cross multiply
698,517.58x = 1,046,899.86 × 298,688.19 - Step 4: Simplify right side
698,517.58x = 312,696,619,774.23 - Step 5: Solve for x
x = 312,696,619,774.23/698,517.58 - Step 6: Final answer
x = 447,657.48
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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.