Finding the Fourth Proportional to 439,940.10, 660,712.05 and 384,827.70
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Solution
The fourth proportional to 439,940.10, 660,712.05 and 384,827.70 is: 577,942.99
Step by Step Solution
- Step 1: Write the proportion equation
439,940.10 : 660,712.05 = 384,827.70 : x - Step 2: Convert to fraction form
439,940.10/660,712.05 = 384,827.70/x - Step 3: Cross multiply
439,940.10x = 660,712.05 × 384,827.70 - Step 4: Simplify right side
439,940.10x = 254,260,298,563.79 - Step 5: Solve for x
x = 254,260,298,563.79/439,940.10 - Step 6: Final answer
x = 577,942.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.