Finding the Fourth Proportional to 1,010,587.44, 1,394,574.12 and 557,868.72
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Solution
The fourth proportional to 1,010,587.44, 1,394,574.12 and 557,868.72 is: 769,838.66
Step by Step Solution
- Step 1: Write the proportion equation
1,010,587.44 : 1,394,574.12 = 557,868.72 : x - Step 2: Convert to fraction form
1,010,587.44/1,394,574.12 = 557,868.72/x - Step 3: Cross multiply
1,010,587.44x = 1,394,574.12 × 557,868.72 - Step 4: Simplify right side
1,010,587.44x = 777,989,279,269.53 - Step 5: Solve for x
x = 777,989,279,269.53/1,010,587.44 - Step 6: Final answer
x = 769,838.66
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1.5x scale
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.