Finding the Fourth Proportional to 529,844.04, 731,216.63 and 312,197.74
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Solution
The fourth proportional to 529,844.04, 731,216.63 and 312,197.74 is: 430,851.65
Step by Step Solution
- Step 1: Write the proportion equation
529,844.04 : 731,216.63 = 312,197.74 : x - Step 2: Convert to fraction form
529,844.04/731,216.63 = 312,197.74/x - Step 3: Cross multiply
529,844.04x = 731,216.63 × 312,197.74 - Step 4: Simplify right side
529,844.04x = 228,284,179,336.42 - Step 5: Solve for x
x = 228,284,179,336.42/529,844.04 - Step 6: Final answer
x = 430,851.65
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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.