Finding the Fourth Proportional to 519,153.36, 778,073.94 and 278,670.84
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Solution
The fourth proportional to 519,153.36, 778,073.94 and 278,670.84 is: 417,654.08
Step by Step Solution
- Step 1: Write the proportion equation
519,153.36 : 778,073.94 = 278,670.84 : x - Step 2: Convert to fraction form
519,153.36/778,073.94 = 278,670.84/x - Step 3: Cross multiply
519,153.36x = 778,073.94 × 278,670.84 - Step 4: Simplify right side
519,153.36x = 216,826,518,441.91 - Step 5: Solve for x
x = 216,826,518,441.91/519,153.36 - Step 6: Final answer
x = 417,654.08
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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.