Finding the Fourth Proportional to 968,083.86, 1,335,853.41 and 538,294.62
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Solution
The fourth proportional to 968,083.86, 1,335,853.41 and 538,294.62 is: 742,789.68
Step by Step Solution
- Step 1: Write the proportion equation
968,083.86 : 1,335,853.41 = 538,294.62 : x - Step 2: Convert to fraction form
968,083.86/1,335,853.41 = 538,294.62/x - Step 3: Cross multiply
968,083.86x = 1,335,853.41 × 538,294.62 - Step 4: Simplify right side
968,083.86x = 719,082,703,711.65 - Step 5: Solve for x
x = 719,082,703,711.65/968,083.86 - Step 6: Final answer
x = 742,789.68
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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.