Finding the Fourth Proportional to 898,242.96, 1,236,428.98 and 783,318.84
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Solution
The fourth proportional to 898,242.96, 1,236,428.98 and 783,318.84 is: 1,078,236.25
Step by Step Solution
- Step 1: Write the proportion equation
898,242.96 : 1,236,428.98 = 783,318.84 : x - Step 2: Convert to fraction form
898,242.96/1,236,428.98 = 783,318.84/x - Step 3: Cross multiply
898,242.96x = 1,236,428.98 × 783,318.84 - Step 4: Simplify right side
898,242.96x = 968,518,117,853.27 - Step 5: Solve for x
x = 968,518,117,853.27/898,242.96 - Step 6: Final answer
x = 1,078,236.25
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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.