Finding the Fourth Proportional to 965,890.98, 1,332,862.86 and 536,137.28
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Solution
The fourth proportional to 965,890.98, 1,332,862.86 and 536,137.28 is: 739,832.43
Step by Step Solution
- Step 1: Write the proportion equation
965,890.98 : 1,332,862.86 = 536,137.28 : x - Step 2: Convert to fraction form
965,890.98/1,332,862.86 = 536,137.28/x - Step 3: Cross multiply
965,890.98x = 1,332,862.86 × 536,137.28 - Step 4: Simplify right side
965,890.98x = 714,597,468,373.42 - Step 5: Solve for x
x = 714,597,468,373.42/965,890.98 - Step 6: Final answer
x = 739,832.43
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.