Finding the Fourth Proportional to 986,424.08, 1,361,128.66 and 550,788.26
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Solution
The fourth proportional to 986,424.08, 1,361,128.66 and 550,788.26 is: 760,011.54
Step by Step Solution
- Step 1: Write the proportion equation
986,424.08 : 1,361,128.66 = 550,788.26 : x - Step 2: Convert to fraction form
986,424.08/1,361,128.66 = 550,788.26/x - Step 3: Cross multiply
986,424.08x = 1,361,128.66 × 550,788.26 - Step 4: Simplify right side
986,424.08x = 749,693,678,094.92 - Step 5: Solve for x
x = 749,693,678,094.92/986,424.08 - Step 6: Final answer
x = 760,011.54
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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.