Finding the Fourth Proportional to 648,008.99, 894,252.96 and 361,529.15
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Solution
The fourth proportional to 648,008.99, 894,252.96 and 361,529.15 is: 498,910.54
Step by Step Solution
- Step 1: Write the proportion equation
648,008.99 : 894,252.96 = 361,529.15 : x - Step 2: Convert to fraction form
648,008.99/894,252.96 = 361,529.15/x - Step 3: Cross multiply
648,008.99x = 894,252.96 × 361,529.15 - Step 4: Simplify right side
648,008.99x = 323,298,512,513.78 - Step 5: Solve for x
x = 323,298,512,513.78/648,008.99 - Step 6: Final answer
x = 498,910.54
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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.