Finding the Fourth Proportional to 745,119.36, 1,117,730.88 and 246,833.28
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Solution
The fourth proportional to 745,119.36, 1,117,730.88 and 246,833.28 is: 370,267.09
Step by Step Solution
- Step 1: Write the proportion equation
745,119.36 : 1,117,730.88 = 246,833.28 : x - Step 2: Convert to fraction form
745,119.36/1,117,730.88 = 246,833.28/x - Step 3: Cross multiply
745,119.36x = 1,117,730.88 × 246,833.28 - Step 4: Simplify right side
745,119.36x = 275,893,179,267.69 - Step 5: Solve for x
x = 275,893,179,267.69/745,119.36 - Step 6: Final answer
x = 370,267.09
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.