Finding the Fourth Proportional to 585,896.84, 808,530.42 and 317,619.08
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Solution
The fourth proportional to 585,896.84, 808,530.42 and 317,619.08 is: 438,310.42
Step by Step Solution
- Step 1: Write the proportion equation
585,896.84 : 808,530.42 = 317,619.08 : x - Step 2: Convert to fraction form
585,896.84/808,530.42 = 317,619.08/x - Step 3: Cross multiply
585,896.84x = 808,530.42 × 317,619.08 - Step 4: Simplify right side
585,896.84x = 256,804,688,152.41 - Step 5: Solve for x
x = 256,804,688,152.41/585,896.84 - Step 6: Final answer
x = 438,310.42
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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.