Finding the Fourth Proportional to 623,445.08, 860,353.84 and 336,965.18
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Solution
The fourth proportional to 623,445.08, 860,353.84 and 336,965.18 is: 465,011.75
Step by Step Solution
- Step 1: Write the proportion equation
623,445.08 : 860,353.84 = 336,965.18 : x - Step 2: Convert to fraction form
623,445.08/860,353.84 = 336,965.18/x - Step 3: Cross multiply
623,445.08x = 860,353.84 × 336,965.18 - Step 4: Simplify right side
623,445.08x = 289,909,286,559.29 - Step 5: Solve for x
x = 289,909,286,559.29/623,445.08 - Step 6: Final answer
x = 465,011.75
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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.