Finding the Fourth Proportional to 842,969.67, 1,163,307.33 and 460,988.25
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Solution
The fourth proportional to 842,969.67, 1,163,307.33 and 460,988.25 is: 636,168.81
Step by Step Solution
- Step 1: Write the proportion equation
842,969.67 : 1,163,307.33 = 460,988.25 : x - Step 2: Convert to fraction form
842,969.67/1,163,307.33 = 460,988.25/x - Step 3: Cross multiply
842,969.67x = 1,163,307.33 × 460,988.25 - Step 4: Simplify right side
842,969.67x = 536,271,010,268.87 - Step 5: Solve for x
x = 536,271,010,268.87/842,969.67 - Step 6: Final answer
x = 636,168.81
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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.