Finding the Fourth Proportional to 684,609.36, 944,794.08 and 378,684.42
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Solution
The fourth proportional to 684,609.36, 944,794.08 and 378,684.42 is: 522,602.84
Step by Step Solution
- Step 1: Write the proportion equation
684,609.36 : 944,794.08 = 378,684.42 : x - Step 2: Convert to fraction form
684,609.36/944,794.08 = 378,684.42/x - Step 3: Cross multiply
684,609.36x = 944,794.08 × 378,684.42 - Step 4: Simplify right side
684,609.36x = 357,778,798,204.23 - Step 5: Solve for x
x = 357,778,798,204.23/684,609.36 - Step 6: Final answer
x = 522,602.84
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1.5x scale
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.