Finding the Fourth Proportional to 723,612.17, 998,423.84 and 417,623.69
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Solution
The fourth proportional to 723,612.17, 998,423.84 and 417,623.69 is: 576,227.80
Step by Step Solution
- Step 1: Write the proportion equation
723,612.17 : 998,423.84 = 417,623.69 : x - Step 2: Convert to fraction form
723,612.17/998,423.84 = 417,623.69/x - Step 3: Cross multiply
723,612.17x = 998,423.84 × 417,623.69 - Step 4: Simplify right side
723,612.17x = 416,965,448,244.77 - Step 5: Solve for x
x = 416,965,448,244.77/723,612.17 - Step 6: Final answer
x = 576,227.80
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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.