Finding the Fourth Proportional to 961,253.48, 1,326,526.22 and 542,115.99
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Solution
The fourth proportional to 961,253.48, 1,326,526.22 and 542,115.99 is: 748,118.05
Step by Step Solution
- Step 1: Write the proportion equation
961,253.48 : 1,326,526.22 = 542,115.99 : x - Step 2: Convert to fraction form
961,253.48/1,326,526.22 = 542,115.99/x - Step 3: Cross multiply
961,253.48x = 1,326,526.22 × 542,115.99 - Step 4: Simplify right side
961,253.48x = 719,131,073,322.15 - Step 5: Solve for x
x = 719,131,073,322.15/961,253.48 - Step 6: Final answer
x = 748,118.05
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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.