Finding the Fourth Proportional to 976,909.67, 1,347,462.24 and 687,135.82
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Solution
The fourth proportional to 976,909.67, 1,347,462.24 and 687,135.82 is: 947,773.98
Step by Step Solution
- Step 1: Write the proportion equation
976,909.67 : 1,347,462.24 = 687,135.82 : x - Step 2: Convert to fraction form
976,909.67/1,347,462.24 = 687,135.82/x - Step 3: Cross multiply
976,909.67x = 1,347,462.24 × 687,135.82 - Step 4: Simplify right side
976,909.67x = 925,889,564,464.13 - Step 5: Solve for x
x = 925,889,564,464.13/976,909.67 - Step 6: Final answer
x = 947,773.98
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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.