Finding the Fourth Proportional to 731,511.92, 1,009,463.00 and 409,215.09
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Solution
The fourth proportional to 731,511.92, 1,009,463.00 and 409,215.09 is: 564,703.71
Step by Step Solution
- Step 1: Write the proportion equation
731,511.92 : 1,009,463.00 = 409,215.09 : x - Step 2: Convert to fraction form
731,511.92/1,009,463.00 = 409,215.09/x - Step 3: Cross multiply
731,511.92x = 1,009,463.00 × 409,215.09 - Step 4: Simplify right side
731,511.92x = 413,087,493,419.71 - Step 5: Solve for x
x = 413,087,493,419.71/731,511.92 - Step 6: Final answer
x = 564,703.71
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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.