Finding the Fourth Proportional to 936,148.62, 1,291,882.28 and 506,428.63
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Solution
The fourth proportional to 936,148.62, 1,291,882.28 and 506,428.63 is: 698,869.99
Step by Step Solution
- Step 1: Write the proportion equation
936,148.62 : 1,291,882.28 = 506,428.63 : x - Step 2: Convert to fraction form
936,148.62/1,291,882.28 = 506,428.63/x - Step 3: Cross multiply
936,148.62x = 1,291,882.28 × 506,428.63 - Step 4: Simplify right side
936,148.62x = 654,246,173,181.68 - Step 5: Solve for x
x = 654,246,173,181.68/936,148.62 - Step 6: Final answer
x = 698,869.99
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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.