Finding the Fourth Proportional to 961,269.87, 1,326,567.20 and 531,542.19
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Solution
The fourth proportional to 961,269.87, 1,326,567.20 and 531,542.19 is: 733,536.39
Step by Step Solution
- Step 1: Write the proportion equation
961,269.87 : 1,326,567.20 = 531,542.19 : x - Step 2: Convert to fraction form
961,269.87/1,326,567.20 = 531,542.19/x - Step 3: Cross multiply
961,269.87x = 1,326,567.20 × 531,542.19 - Step 4: Simplify right side
961,269.87x = 705,126,432,012.46 - Step 5: Solve for x
x = 705,126,432,012.46/961,269.87 - Step 6: Final answer
x = 733,536.39
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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.