Finding the Fourth Proportional to 518,327.09, 715,656.10 and 363,607.32
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Solution
The fourth proportional to 518,327.09, 715,656.10 and 363,607.32 is: 502,033.95
Step by Step Solution
- Step 1: Write the proportion equation
518,327.09 : 715,656.10 = 363,607.32 : x - Step 2: Convert to fraction form
518,327.09/715,656.10 = 363,607.32/x - Step 3: Cross multiply
518,327.09x = 715,656.10 × 363,607.32 - Step 4: Simplify right side
518,327.09x = 260,217,794,744.62 - Step 5: Solve for x
x = 260,217,794,744.62/518,327.09 - Step 6: Final answer
x = 502,033.95
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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.