Finding the Fourth Proportional to 713,878.42, 1,070,475.95 and 414,441.70
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Solution
The fourth proportional to 713,878.42, 1,070,475.95 and 414,441.70 is: 621,464.19
Step by Step Solution
- Step 1: Write the proportion equation
713,878.42 : 1,070,475.95 = 414,441.70 : x - Step 2: Convert to fraction form
713,878.42/1,070,475.95 = 414,441.70/x - Step 3: Cross multiply
713,878.42x = 1,070,475.95 × 414,441.70 - Step 4: Simplify right side
713,878.42x = 443,649,872,527.12 - Step 5: Solve for x
x = 443,649,872,527.12/713,878.42 - Step 6: Final answer
x = 621,464.19
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.