Finding the Fourth Proportional to 960,979.36, 1,326,036.36 and 531,201.12
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Solution
The fourth proportional to 960,979.36, 1,326,036.36 and 531,201.12 is: 732,993.89
Step by Step Solution
- Step 1: Write the proportion equation
960,979.36 : 1,326,036.36 = 531,201.12 : x - Step 2: Convert to fraction form
960,979.36/1,326,036.36 = 531,201.12/x - Step 3: Cross multiply
960,979.36x = 1,326,036.36 × 531,201.12 - Step 4: Simplify right side
960,979.36x = 704,391,999,592.72 - Step 5: Solve for x
x = 704,391,999,592.72/960,979.36 - Step 6: Final answer
x = 732,993.89
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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.