Finding the Fourth Proportional to 719,108.20, 1,077,634.26 and 528,069.70
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Solution
The fourth proportional to 719,108.20, 1,077,634.26 and 528,069.70 is: 791,349.62
Step by Step Solution
- Step 1: Write the proportion equation
719,108.20 : 1,077,634.26 = 528,069.70 : x - Step 2: Convert to fraction form
719,108.20/1,077,634.26 = 528,069.70/x - Step 3: Cross multiply
719,108.20x = 1,077,634.26 × 528,069.70 - Step 4: Simplify right side
719,108.20x = 569,066,000,387.92 - Step 5: Solve for x
x = 569,066,000,387.92/719,108.20 - Step 6: Final answer
x = 791,349.62
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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.