Finding the Fourth Proportional to 529,842.04, 731,213.87 and 312,195.74
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Solution
The fourth proportional to 529,842.04, 731,213.87 and 312,195.74 is: 430,848.88
Step by Step Solution
- Step 1: Write the proportion equation
529,842.04 : 731,213.87 = 312,195.74 : x - Step 2: Convert to fraction form
529,842.04/731,213.87 = 312,195.74/x - Step 3: Cross multiply
529,842.04x = 731,213.87 × 312,195.74 - Step 4: Simplify right side
529,842.04x = 228,281,850,025.87 - Step 5: Solve for x
x = 228,281,850,025.87/529,842.04 - Step 6: Final answer
x = 430,848.88
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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.