Finding the Fourth Proportional to 623,793.72, 860,055.42 and 520,576.68
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Solution
The fourth proportional to 623,793.72, 860,055.42 and 520,576.68 is: 717,744.95
Step by Step Solution
- Step 1: Write the proportion equation
623,793.72 : 860,055.42 = 520,576.68 : x - Step 2: Convert to fraction form
623,793.72/860,055.42 = 520,576.68/x - Step 3: Cross multiply
623,793.72x = 860,055.42 × 520,576.68 - Step 4: Simplify right side
623,793.72x = 447,724,795,159.61 - Step 5: Solve for x
x = 447,724,795,159.61/623,793.72 - Step 6: Final answer
x = 717,744.95
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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.