Finding the Fourth Proportional to 468,563.94, 646,134.93 and 400,805.19
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Solution
The fourth proportional to 468,563.94, 646,134.93 and 400,805.19 is: 552,697.75
Step by Step Solution
- Step 1: Write the proportion equation
468,563.94 : 646,134.93 = 400,805.19 : x - Step 2: Convert to fraction form
468,563.94/646,134.93 = 400,805.19/x - Step 3: Cross multiply
468,563.94x = 646,134.93 × 400,805.19 - Step 4: Simplify right side
468,563.94x = 258,974,233,384.29 - Step 5: Solve for x
x = 258,974,233,384.29/468,563.94 - Step 6: Final answer
x = 552,697.75
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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.