Finding the Fourth Proportional to 634,529.36, 875,635.08 and 408,174.32
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Solution
The fourth proportional to 634,529.36, 875,635.08 and 408,174.32 is: 563,270.63
Step by Step Solution
- Step 1: Write the proportion equation
634,529.36 : 875,635.08 = 408,174.32 : x - Step 2: Convert to fraction form
634,529.36/875,635.08 = 408,174.32/x - Step 3: Cross multiply
634,529.36x = 875,635.08 × 408,174.32 - Step 4: Simplify right side
634,529.36x = 357,411,753,347.15 - Step 5: Solve for x
x = 357,411,753,347.15/634,529.36 - Step 6: Final answer
x = 563,270.63
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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.