Finding the Fourth Proportional to 725,803.17, 1,001,498.49 and 415,657.53
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Solution
The fourth proportional to 725,803.17, 1,001,498.49 and 415,657.53 is: 573,544.46
Step by Step Solution
- Step 1: Write the proportion equation
725,803.17 : 1,001,498.49 = 415,657.53 : x - Step 2: Convert to fraction form
725,803.17/1,001,498.49 = 415,657.53/x - Step 3: Cross multiply
725,803.17x = 1,001,498.49 × 415,657.53 - Step 4: Simplify right side
725,803.17x = 416,280,388,652.13 - Step 5: Solve for x
x = 416,280,388,652.13/725,803.17 - Step 6: Final answer
x = 573,544.46
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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.