Finding the Fourth Proportional to 573,697.81, 791,703.78 and 319,048.99
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Solution
The fourth proportional to 573,697.81, 791,703.78 and 319,048.99 is: 440,288.05
Step by Step Solution
- Step 1: Write the proportion equation
573,697.81 : 791,703.78 = 319,048.99 : x - Step 2: Convert to fraction form
573,697.81/791,703.78 = 319,048.99/x - Step 3: Cross multiply
573,697.81x = 791,703.78 × 319,048.99 - Step 4: Simplify right side
573,697.81x = 252,592,291,388.18 - Step 5: Solve for x
x = 252,592,291,388.18/573,697.81 - Step 6: Final answer
x = 440,288.05
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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.