Finding the Fourth Proportional to 982,156.67, 1,355,362.59 and 552,437.09
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Solution
The fourth proportional to 982,156.67, 1,355,362.59 and 552,437.09 is: 762,355.52
Step by Step Solution
- Step 1: Write the proportion equation
982,156.67 : 1,355,362.59 = 552,437.09 : x - Step 2: Convert to fraction form
982,156.67/1,355,362.59 = 552,437.09/x - Step 3: Cross multiply
982,156.67x = 1,355,362.59 × 552,437.09 - Step 4: Simplify right side
982,156.67x = 748,752,555,575.47 - Step 5: Solve for x
x = 748,752,555,575.47/982,156.67 - Step 6: Final answer
x = 762,355.52
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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.