Finding the Fourth Proportional to 626,935.80, 865,163.78 and 340,457.94
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Solution
The fourth proportional to 626,935.80, 865,163.78 and 340,457.94 is: 469,827.82
Step by Step Solution
- Step 1: Write the proportion equation
626,935.80 : 865,163.78 = 340,457.94 : x - Step 2: Convert to fraction form
626,935.80/865,163.78 = 340,457.94/x - Step 3: Cross multiply
626,935.80x = 865,163.78 × 340,457.94 - Step 4: Simplify right side
626,935.80x = 294,551,878,301.41 - Step 5: Solve for x
x = 294,551,878,301.41/626,935.80 - Step 6: Final answer
x = 469,827.82
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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.