Finding the Fourth Proportional to 931,313.79, 1,403,193.94 and 841,460.94
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Solution
The fourth proportional to 931,313.79, 1,403,193.94 and 841,460.94 is: 1,267,814.25
Step by Step Solution
- Step 1: Write the proportion equation
931,313.79 : 1,403,193.94 = 841,460.94 : x - Step 2: Convert to fraction form
931,313.79/1,403,193.94 = 841,460.94/x - Step 3: Cross multiply
931,313.79x = 1,403,193.94 × 841,460.94 - Step 4: Simplify right side
931,313.79x = 1,180,732,889,651.05 - Step 5: Solve for x
x = 1,180,732,889,651.05/931,313.79 - Step 6: Final answer
x = 1,267,814.25
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.