Finding the Fourth Proportional to 549,664.73, 758,518.98 and 304,639.05
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Solution
The fourth proportional to 549,664.73, 758,518.98 and 304,639.05 is: 420,391.72
Step by Step Solution
- Step 1: Write the proportion equation
549,664.73 : 758,518.98 = 304,639.05 : x - Step 2: Convert to fraction form
549,664.73/758,518.98 = 304,639.05/x - Step 3: Cross multiply
549,664.73x = 758,518.98 × 304,639.05 - Step 4: Simplify right side
549,664.73x = 231,074,498,443.17 - Step 5: Solve for x
x = 231,074,498,443.17/549,664.73 - Step 6: Final answer
x = 420,391.72
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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.