Finding the Fourth Proportional to 616,335.60, 850,526.79 and 344,405.74
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Solution
The fourth proportional to 616,335.60, 850,526.79 and 344,405.74 is: 475,270.79
Step by Step Solution
- Step 1: Write the proportion equation
616,335.60 : 850,526.79 = 344,405.74 : x - Step 2: Convert to fraction form
616,335.60/850,526.79 = 344,405.74/x - Step 3: Cross multiply
616,335.60x = 850,526.79 × 344,405.74 - Step 4: Simplify right side
616,335.60x = 292,926,308,499.78 - Step 5: Solve for x
x = 292,926,308,499.78/616,335.60 - Step 6: Final answer
x = 475,270.79
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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.