Finding the Fourth Proportional to 965,037.58, 1,331,911.57 and 535,456.10
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Solution
The fourth proportional to 965,037.58, 1,331,911.57 and 535,456.10 is: 739,018.03
Step by Step Solution
- Step 1: Write the proportion equation
965,037.58 : 1,331,911.57 = 535,456.10 : x - Step 2: Convert to fraction form
965,037.58/1,331,911.57 = 535,456.10/x - Step 3: Cross multiply
965,037.58x = 1,331,911.57 × 535,456.10 - Step 4: Simplify right side
965,037.58x = 713,180,174,817.08 - Step 5: Solve for x
x = 713,180,174,817.08/965,037.58 - Step 6: Final answer
x = 739,018.03
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1.5x scale
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.