Finding the Fourth Proportional to 695,937.08, 960,364.14 and 394,131.08
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Solution
The fourth proportional to 695,937.08, 960,364.14 and 394,131.08 is: 543,884.45
Step by Step Solution
- Step 1: Write the proportion equation
695,937.08 : 960,364.14 = 394,131.08 : x - Step 2: Convert to fraction form
695,937.08/960,364.14 = 394,131.08/x - Step 3: Cross multiply
695,937.08x = 960,364.14 × 394,131.08 - Step 4: Simplify right side
695,937.08x = 378,509,355,691.47 - Step 5: Solve for x
x = 378,509,355,691.47/695,937.08 - Step 6: Final answer
x = 543,884.45
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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.