Finding the Fourth Proportional to 982,898.51, 1,355,879.71 and 676,442.84
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Solution
The fourth proportional to 982,898.51, 1,355,879.71 and 676,442.84 is: 933,133.09
Step by Step Solution
- Step 1: Write the proportion equation
982,898.51 : 1,355,879.71 = 676,442.84 : x - Step 2: Convert to fraction form
982,898.51/1,355,879.71 = 676,442.84/x - Step 3: Cross multiply
982,898.51x = 1,355,879.71 × 676,442.84 - Step 4: Simplify right side
982,898.51x = 917,175,123,429.37 - Step 5: Solve for x
x = 917,175,123,429.37/982,898.51 - Step 6: Final answer
x = 933,133.09
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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.