Finding the Fourth Proportional to 931,314.79, 1,403,195.44 and 841,461.94
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Solution
The fourth proportional to 931,314.79, 1,403,195.44 and 841,461.94 is: 1,267,815.75
Step by Step Solution
- Step 1: Write the proportion equation
931,314.79 : 1,403,195.44 = 841,461.94 : x - Step 2: Convert to fraction form
931,314.79/1,403,195.44 = 841,461.94/x - Step 3: Cross multiply
931,314.79x = 1,403,195.44 × 841,461.94 - Step 4: Simplify right side
931,314.79x = 1,180,735,557,141.55 - Step 5: Solve for x
x = 1,180,735,557,141.55/931,314.79 - Step 6: Final answer
x = 1,267,815.75
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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.