Finding the Fourth Proportional to 1,010,342.74, 1,394,272.98 and 688,614.88
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Solution
The fourth proportional to 1,010,342.74, 1,394,272.98 and 688,614.88 is: 950,288.54
Step by Step Solution
- Step 1: Write the proportion equation
1,010,342.74 : 1,394,272.98 = 688,614.88 : x - Step 2: Convert to fraction form
1,010,342.74/1,394,272.98 = 688,614.88/x - Step 3: Cross multiply
1,010,342.74x = 1,394,272.98 × 688,614.88 - Step 4: Simplify right side
1,010,342.74x = 960,117,124,804.28 - Step 5: Solve for x
x = 960,117,124,804.28/1,010,342.74 - Step 6: Final answer
x = 950,288.54
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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.