Finding the Fourth Proportional to 518,804.12, 778,019.36 and 219,307.99
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Solution
The fourth proportional to 518,804.12, 778,019.36 and 219,307.99 is: 328,883.01
Step by Step Solution
- Step 1: Write the proportion equation
518,804.12 : 778,019.36 = 219,307.99 : x - Step 2: Convert to fraction form
518,804.12/778,019.36 = 219,307.99/x - Step 3: Cross multiply
518,804.12x = 778,019.36 × 219,307.99 - Step 4: Simplify right side
518,804.12x = 170,625,860,926.15 - Step 5: Solve for x
x = 170,625,860,926.15/518,804.12 - Step 6: Final answer
x = 328,883.01
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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.