Finding the Fourth Proportional to 678,884.84, 936,875.88 and 372,965.12
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Solution
The fourth proportional to 678,884.84, 936,875.88 and 372,965.12 is: 514,700.00
Step by Step Solution
- Step 1: Write the proportion equation
678,884.84 : 936,875.88 = 372,965.12 : x - Step 2: Convert to fraction form
678,884.84/936,875.88 = 372,965.12/x - Step 3: Cross multiply
678,884.84x = 936,875.88 × 372,965.12 - Step 4: Simplify right side
678,884.84x = 349,422,025,009.31 - Step 5: Solve for x
x = 349,422,025,009.31/678,884.84 - Step 6: Final answer
x = 514,700.00
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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.