Finding the Fourth Proportional to 774,541.62, 1,068,865.29 and 430,376.13
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Solution
The fourth proportional to 774,541.62, 1,068,865.29 and 430,376.13 is: 593,917.87
Step by Step Solution
- Step 1: Write the proportion equation
774,541.62 : 1,068,865.29 = 430,376.13 : x - Step 2: Convert to fraction form
774,541.62/1,068,865.29 = 430,376.13/x - Step 3: Cross multiply
774,541.62x = 1,068,865.29 × 430,376.13 - Step 4: Simplify right side
774,541.62x = 460,014,107,001.53 - Step 5: Solve for x
x = 460,014,107,001.53/774,541.62 - Step 6: Final answer
x = 593,917.87
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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.