Finding the Fourth Proportional to 774,587.03, 1,068,908.70 and 430,414.05
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Solution
The fourth proportional to 774,587.03, 1,068,908.70 and 430,414.05 is: 593,959.51
Step by Step Solution
- Step 1: Write the proportion equation
774,587.03 : 1,068,908.70 = 430,414.05 : x - Step 2: Convert to fraction form
774,587.03/1,068,908.70 = 430,414.05/x - Step 3: Cross multiply
774,587.03x = 1,068,908.70 × 430,414.05 - Step 4: Simplify right side
774,587.03x = 460,073,328,269.70 - Step 5: Solve for x
x = 460,073,328,269.70/774,587.03 - Step 6: Final answer
x = 593,959.51
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.