Finding the Fourth Proportional to 577,799.36, 866,904.32 and 257,922.24
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Solution
The fourth proportional to 577,799.36, 866,904.32 and 257,922.24 is: 386,974.99
Step by Step Solution
- Step 1: Write the proportion equation
577,799.36 : 866,904.32 = 257,922.24 : x - Step 2: Convert to fraction form
577,799.36/866,904.32 = 257,922.24/x - Step 3: Cross multiply
577,799.36x = 866,904.32 × 257,922.24 - Step 4: Simplify right side
577,799.36x = 223,593,904,080.08 - Step 5: Solve for x
x = 223,593,904,080.08/577,799.36 - Step 6: Final answer
x = 386,974.99
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1.5x scale
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.