Finding the Fourth Proportional to 589,749.30, 883,235.21 and 389,573.19
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Solution
The fourth proportional to 589,749.30, 883,235.21 and 389,573.19 is: 583,442.42
Step by Step Solution
- Step 1: Write the proportion equation
589,749.30 : 883,235.21 = 389,573.19 : x - Step 2: Convert to fraction form
589,749.30/883,235.21 = 389,573.19/x - Step 3: Cross multiply
589,749.30x = 883,235.21 × 389,573.19 - Step 4: Simplify right side
589,749.30x = 344,084,756,332.15 - Step 5: Solve for x
x = 344,084,756,332.15/589,749.30 - Step 6: Final answer
x = 583,442.42
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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.