Finding the Fourth Proportional to 816,022.84, 1,126,088.98 and 453,437.32
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Solution
The fourth proportional to 816,022.84, 1,126,088.98 and 453,437.32 is: 625,730.98
Step by Step Solution
- Step 1: Write the proportion equation
816,022.84 : 1,126,088.98 = 453,437.32 : x - Step 2: Convert to fraction form
816,022.84/1,126,088.98 = 453,437.32/x - Step 3: Cross multiply
816,022.84x = 1,126,088.98 × 453,437.32 - Step 4: Simplify right side
816,022.84x = 510,610,769,172.73 - Step 5: Solve for x
x = 510,610,769,172.73/816,022.84 - Step 6: Final answer
x = 625,730.98
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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.