Finding the Fourth Proportional to 684,219.14, 944,184.26 and 378,277.68
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Solution
The fourth proportional to 684,219.14, 944,184.26 and 378,277.68 is: 522,002.11
Step by Step Solution
- Step 1: Write the proportion equation
684,219.14 : 944,184.26 = 378,277.68 : x - Step 2: Convert to fraction form
684,219.14/944,184.26 = 378,277.68/x - Step 3: Cross multiply
684,219.14x = 944,184.26 × 378,277.68 - Step 4: Simplify right side
684,219.14x = 357,163,831,365.32 - Step 5: Solve for x
x = 357,163,831,365.32/684,219.14 - Step 6: Final answer
x = 522,002.11
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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.