Finding the Fourth Proportional to 592,644.08, 817,848.84 and 320,711.96
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Solution
The fourth proportional to 592,644.08, 817,848.84 and 320,711.96 is: 442,582.50
Step by Step Solution
- Step 1: Write the proportion equation
592,644.08 : 817,848.84 = 320,711.96 : x - Step 2: Convert to fraction form
592,644.08/817,848.84 = 320,711.96/x - Step 3: Cross multiply
592,644.08x = 817,848.84 × 320,711.96 - Step 4: Simplify right side
592,644.08x = 262,293,900,852.01 - Step 5: Solve for x
x = 262,293,900,852.01/592,644.08 - Step 6: Final answer
x = 442,582.50
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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.