Finding the Fourth Proportional to 519,477.69, 716,998.55 and 304,686.95
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Solution
The fourth proportional to 519,477.69, 716,998.55 and 304,686.95 is: 420,537.99
Step by Step Solution
- Step 1: Write the proportion equation
519,477.69 : 716,998.55 = 304,686.95 : x - Step 2: Convert to fraction form
519,477.69/716,998.55 = 304,686.95/x - Step 3: Cross multiply
519,477.69x = 716,998.55 × 304,686.95 - Step 4: Simplify right side
519,477.69x = 218,460,101,353.92 - Step 5: Solve for x
x = 218,460,101,353.92/519,477.69 - Step 6: Final answer
x = 420,537.99
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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.