Finding the Fourth Proportional to 960,957.36, 1,326,019.68 and 531,168.12
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Solution
The fourth proportional to 960,957.36, 1,326,019.68 and 531,168.12 is: 732,955.91
Step by Step Solution
- Step 1: Write the proportion equation
960,957.36 : 1,326,019.68 = 531,168.12 : x - Step 2: Convert to fraction form
960,957.36/1,326,019.68 = 531,168.12/x - Step 3: Cross multiply
960,957.36x = 1,326,019.68 × 531,168.12 - Step 4: Simplify right side
960,957.36x = 704,339,380,508.60 - Step 5: Solve for x
x = 704,339,380,508.60/960,957.36 - Step 6: Final answer
x = 732,955.91
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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.