Finding the Fourth Proportional to 882,691.48, 1,218,203.86 and 520,232.12
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Solution
The fourth proportional to 882,691.48, 1,218,203.86 and 520,232.12 is: 717,973.14
Step by Step Solution
- Step 1: Write the proportion equation
882,691.48 : 1,218,203.86 = 520,232.12 : x - Step 2: Convert to fraction form
882,691.48/1,218,203.86 = 520,232.12/x - Step 3: Cross multiply
882,691.48x = 1,218,203.86 × 520,232.12 - Step 4: Simplify right side
882,691.48x = 633,748,776,679.98 - Step 5: Solve for x
x = 633,748,776,679.98/882,691.48 - Step 6: Final answer
x = 717,973.14
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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.