Finding the Fourth Proportional to 961,221.44, 1,326,582.40 and 531,534.08
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Solution
The fourth proportional to 961,221.44, 1,326,582.40 and 531,534.08 is: 733,570.57
Step by Step Solution
- Step 1: Write the proportion equation
961,221.44 : 1,326,582.40 = 531,534.08 : x - Step 2: Convert to fraction form
961,221.44/1,326,582.40 = 531,534.08/x - Step 3: Cross multiply
961,221.44x = 1,326,582.40 × 531,534.08 - Step 4: Simplify right side
961,221.44x = 705,123,755,528.19 - Step 5: Solve for x
x = 705,123,755,528.19/961,221.44 - Step 6: Final answer
x = 733,570.57
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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.