Finding the Fourth Proportional to 719,106.20, 1,077,631.26 and 528,067.70
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Solution
The fourth proportional to 719,106.20, 1,077,631.26 and 528,067.70 is: 791,346.62
Step by Step Solution
- Step 1: Write the proportion equation
719,106.20 : 1,077,631.26 = 528,067.70 : x - Step 2: Convert to fraction form
719,106.20/1,077,631.26 = 528,067.70/x - Step 3: Cross multiply
719,106.20x = 1,077,631.26 × 528,067.70 - Step 4: Simplify right side
719,106.20x = 569,062,260,916.30 - Step 5: Solve for x
x = 569,062,260,916.30/719,106.20 - Step 6: Final answer
x = 791,346.62
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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.