Finding the Fourth Proportional to 754,346.93, 1,040,572.69 and 448,521.94
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Solution
The fourth proportional to 754,346.93, 1,040,572.69 and 448,521.94 is: 618,706.95
Step by Step Solution
- Step 1: Write the proportion equation
754,346.93 : 1,040,572.69 = 448,521.94 : x - Step 2: Convert to fraction form
754,346.93/1,040,572.69 = 448,521.94/x - Step 3: Cross multiply
754,346.93x = 1,040,572.69 × 448,521.94 - Step 4: Simplify right side
754,346.93x = 466,719,684,332.17 - Step 5: Solve for x
x = 466,719,684,332.17/754,346.93 - Step 6: Final answer
x = 618,706.95
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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.