Finding the Fourth Proportional to 903,539.76, 1,355,604.84 and 650,613.12
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Solution
The fourth proportional to 903,539.76, 1,355,604.84 and 650,613.12 is: 976,132.25
Step by Step Solution
- Step 1: Write the proportion equation
903,539.76 : 1,355,604.84 = 650,613.12 : x - Step 2: Convert to fraction form
903,539.76/1,355,604.84 = 650,613.12/x - Step 3: Cross multiply
903,539.76x = 1,355,604.84 × 650,613.12 - Step 4: Simplify right side
903,539.76x = 881,974,294,439.50 - Step 5: Solve for x
x = 881,974,294,439.50/903,539.76 - Step 6: Final answer
x = 976,132.25
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.