Finding the Fourth Proportional to 574,493.18, 792,831.99 and 319,838.78
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Solution
The fourth proportional to 574,493.18, 792,831.99 and 319,838.78 is: 441,395.00
Step by Step Solution
- Step 1: Write the proportion equation
574,493.18 : 792,831.99 = 319,838.78 : x - Step 2: Convert to fraction form
574,493.18/792,831.99 = 319,838.78/x - Step 3: Cross multiply
574,493.18x = 792,831.99 × 319,838.78 - Step 4: Simplify right side
574,493.18x = 253,578,416,426.57 - Step 5: Solve for x
x = 253,578,416,426.57/574,493.18 - Step 6: Final answer
x = 441,395.00
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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.