Finding the Fourth Proportional to 719,583.75, 993,113.06 and 417,777.75
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Solution
The fourth proportional to 719,583.75, 993,113.06 and 417,777.75 is: 576,584.08
Step by Step Solution
- Step 1: Write the proportion equation
719,583.75 : 993,113.06 = 417,777.75 : x - Step 2: Convert to fraction form
719,583.75/993,113.06 = 417,777.75/x - Step 3: Cross multiply
719,583.75x = 993,113.06 × 417,777.75 - Step 4: Simplify right side
719,583.75x = 414,900,537,613.53 - Step 5: Solve for x
x = 414,900,537,613.53/719,583.75 - Step 6: Final answer
x = 576,584.08
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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.