Finding the Fourth Proportional to 684,355.75, 944,410.95 and 382,549.75
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Solution
The fourth proportional to 684,355.75, 944,410.95 and 382,549.75 is: 527,918.66
Step by Step Solution
- Step 1: Write the proportion equation
684,355.75 : 944,410.95 = 382,549.75 : x - Step 2: Convert to fraction form
684,355.75/944,410.95 = 382,549.75/x - Step 3: Cross multiply
684,355.75x = 944,410.95 × 382,549.75 - Step 4: Simplify right side
684,355.75x = 361,284,172,819.76 - Step 5: Solve for x
x = 361,284,172,819.76/684,355.75 - Step 6: Final answer
x = 527,918.66
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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.