Finding the Fourth Proportional to 518,819.25, 715,981.50 and 292,464.75
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Solution
The fourth proportional to 518,819.25, 715,981.50 and 292,464.75 is: 403,607.52
Step by Step Solution
- Step 1: Write the proportion equation
518,819.25 : 715,981.50 = 292,464.75 : x - Step 2: Convert to fraction form
518,819.25/715,981.50 = 292,464.75/x - Step 3: Cross multiply
518,819.25x = 715,981.50 × 292,464.75 - Step 4: Simplify right side
518,819.25x = 209,399,350,402.13 - Step 5: Solve for x
x = 209,399,350,402.13/518,819.25 - Step 6: Final answer
x = 403,607.52
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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.