Finding the Fourth Proportional to 961,534.62, 1,326,828.70 and 531,805.53
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Solution
The fourth proportional to 961,534.62, 1,326,828.70 and 531,805.53 is: 733,842.36
Step by Step Solution
- Step 1: Write the proportion equation
961,534.62 : 1,326,828.70 = 531,805.53 : x - Step 2: Convert to fraction form
961,534.62/1,326,828.70 = 531,805.53/x - Step 3: Cross multiply
961,534.62x = 1,326,828.70 × 531,805.53 - Step 4: Simplify right side
961,534.62x = 705,614,834,467.96 - Step 5: Solve for x
x = 705,614,834,467.96/961,534.62 - Step 6: Final answer
x = 733,842.36
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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.