Finding the Fourth Proportional to 521,683.44, 719,950.08 and 292,227.12
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Solution
The fourth proportional to 521,683.44, 719,950.08 and 292,227.12 is: 403,288.51
Step by Step Solution
- Step 1: Write the proportion equation
521,683.44 : 719,950.08 = 292,227.12 : x - Step 2: Convert to fraction form
521,683.44/719,950.08 = 292,227.12/x - Step 3: Cross multiply
521,683.44x = 719,950.08 × 292,227.12 - Step 4: Simplify right side
521,683.44x = 210,388,938,422.17 - Step 5: Solve for x
x = 210,388,938,422.17/521,683.44 - Step 6: Final answer
x = 403,288.51
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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.