Finding the Fourth Proportional to 626,740.68, 864,902.14 and 340,260.76
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Solution
The fourth proportional to 626,740.68, 864,902.14 and 340,260.76 is: 469,559.85
Step by Step Solution
- Step 1: Write the proportion equation
626,740.68 : 864,902.14 = 340,260.76 : x - Step 2: Convert to fraction form
626,740.68/864,902.14 = 340,260.76/x - Step 3: Cross multiply
626,740.68x = 864,902.14 × 340,260.76 - Step 4: Simplify right side
626,740.68x = 294,292,259,482.03 - Step 5: Solve for x
x = 294,292,259,482.03/626,740.68 - Step 6: Final answer
x = 469,559.85
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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.