Finding the Fourth Proportional to 774,689.39, 1,069,072.12 and 430,557.54
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Solution
The fourth proportional to 774,689.39, 1,069,072.12 and 430,557.54 is: 594,169.82
Step by Step Solution
- Step 1: Write the proportion equation
774,689.39 : 1,069,072.12 = 430,557.54 : x - Step 2: Convert to fraction form
774,689.39/1,069,072.12 = 430,557.54/x - Step 3: Cross multiply
774,689.39x = 1,069,072.12 × 430,557.54 - Step 4: Simplify right side
774,689.39x = 460,297,060,102.34 - Step 5: Solve for x
x = 460,297,060,102.34/774,689.39 - Step 6: Final answer
x = 594,169.82
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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.