Finding the Fourth Proportional to 556,487.70, 767,953.05 and 314,765.07
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Solution
The fourth proportional to 556,487.70, 767,953.05 and 314,765.07 is: 434,375.81
Step by Step Solution
- Step 1: Write the proportion equation
556,487.70 : 767,953.05 = 314,765.07 : x - Step 2: Convert to fraction form
556,487.70/767,953.05 = 314,765.07/x - Step 3: Cross multiply
556,487.70x = 767,953.05 × 314,765.07 - Step 4: Simplify right side
556,487.70x = 241,724,795,539.96 - Step 5: Solve for x
x = 241,724,795,539.96/556,487.70 - Step 6: Final answer
x = 434,375.81
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.