Finding the Fourth Proportional to 870,284.41, 1,305,130.95 and 301,532.75
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Solution
The fourth proportional to 870,284.41, 1,305,130.95 and 301,532.75 is: 452,196.69
Step by Step Solution
- Step 1: Write the proportion equation
870,284.41 : 1,305,130.95 = 301,532.75 : x - Step 2: Convert to fraction form
870,284.41/1,305,130.95 = 301,532.75/x - Step 3: Cross multiply
870,284.41x = 1,305,130.95 × 301,532.75 - Step 4: Simplify right side
870,284.41x = 393,539,725,442.81 - Step 5: Solve for x
x = 393,539,725,442.81/870,284.41 - Step 6: Final answer
x = 452,196.69
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.