Finding the Fourth Proportional to 883,313.06, 1,218,972.22 and 480,905.06
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Solution
The fourth proportional to 883,313.06, 1,218,972.22 and 480,905.06 is: 663,649.09
Step by Step Solution
- Step 1: Write the proportion equation
883,313.06 : 1,218,972.22 = 480,905.06 : x - Step 2: Convert to fraction form
883,313.06/1,218,972.22 = 480,905.06/x - Step 3: Cross multiply
883,313.06x = 1,218,972.22 × 480,905.06 - Step 4: Simplify right side
883,313.06x = 586,209,901,300.31 - Step 5: Solve for x
x = 586,209,901,300.31/883,313.06 - Step 6: Final answer
x = 663,649.09
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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.