Finding the Fourth Proportional to 719,530.53, 1,079,280.98 and 239,793.17
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Solution
The fourth proportional to 719,530.53, 1,079,280.98 and 239,793.17 is: 359,684.81
Step by Step Solution
- Step 1: Write the proportion equation
719,530.53 : 1,079,280.98 = 239,793.17 : x - Step 2: Convert to fraction form
719,530.53/1,079,280.98 = 239,793.17/x - Step 3: Cross multiply
719,530.53x = 1,079,280.98 × 239,793.17 - Step 4: Simplify right side
719,530.53x = 258,804,206,765.29 - Step 5: Solve for x
x = 258,804,206,765.29/719,530.53 - Step 6: Final answer
x = 359,684.81
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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.