Finding the Fourth Proportional to 626,827.84, 865,028.64 and 340,350.28
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Solution
The fourth proportional to 626,827.84, 865,028.64 and 340,350.28 is: 469,686.76
Step by Step Solution
- Step 1: Write the proportion equation
626,827.84 : 865,028.64 = 340,350.28 : x - Step 2: Convert to fraction form
626,827.84/865,028.64 = 340,350.28/x - Step 3: Cross multiply
626,827.84x = 865,028.64 × 340,350.28 - Step 4: Simplify right side
626,827.84x = 294,412,739,832.02 - Step 5: Solve for x
x = 294,412,739,832.02/626,827.84 - Step 6: Final answer
x = 469,686.76
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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.