Finding the Fourth Proportional to 745,760.08, 1,029,112.43 and 423,463.28
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Solution
The fourth proportional to 745,760.08, 1,029,112.43 and 423,463.28 is: 584,358.60
Step by Step Solution
- Step 1: Write the proportion equation
745,760.08 : 1,029,112.43 = 423,463.28 : x - Step 2: Convert to fraction form
745,760.08/1,029,112.43 = 423,463.28/x - Step 3: Cross multiply
745,760.08x = 1,029,112.43 × 423,463.28 - Step 4: Simplify right side
745,760.08x = 435,791,317,833.69 - Step 5: Solve for x
x = 435,791,317,833.69/745,760.08 - Step 6: Final answer
x = 584,358.60
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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.