Finding the Fourth Proportional to 695,788.08, 960,160.68 and 393,982.80
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Solution
The fourth proportional to 695,788.08, 960,160.68 and 393,982.80 is: 543,681.05
Step by Step Solution
- Step 1: Write the proportion equation
695,788.08 : 960,160.68 = 393,982.80 : x - Step 2: Convert to fraction form
695,788.08/960,160.68 = 393,982.80/x - Step 3: Cross multiply
695,788.08x = 960,160.68 × 393,982.80 - Step 4: Simplify right side
695,788.08x = 378,286,793,156.30 - Step 5: Solve for x
x = 378,286,793,156.30/695,788.08 - Step 6: Final answer
x = 543,681.05
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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.