Finding the Fourth Proportional to 870,789.94, 1,201,730.00 and 483,607.13
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Solution
The fourth proportional to 870,789.94, 1,201,730.00 and 483,607.13 is: 667,399.98
Step by Step Solution
- Step 1: Write the proportion equation
870,789.94 : 1,201,730.00 = 483,607.13 : x - Step 2: Convert to fraction form
870,789.94/1,201,730.00 = 483,607.13/x - Step 3: Cross multiply
870,789.94x = 1,201,730.00 × 483,607.13 - Step 4: Simplify right side
870,789.94x = 581,165,187,908.22 - Step 5: Solve for x
x = 581,165,187,908.22/870,789.94 - Step 6: Final answer
x = 667,399.98
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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.