Finding the Fourth Proportional to 554,326.24, 831,115.76 and 447,841.20
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Solution
The fourth proportional to 554,326.24, 831,115.76 and 447,841.20 is: 671,459.97
Step by Step Solution
- Step 1: Write the proportion equation
554,326.24 : 831,115.76 = 447,841.20 : x - Step 2: Convert to fraction form
554,326.24/831,115.76 = 447,841.20/x - Step 3: Cross multiply
554,326.24x = 831,115.76 × 447,841.20 - Step 4: Simplify right side
554,326.24x = 372,207,879,297.31 - Step 5: Solve for x
x = 372,207,879,297.31/554,326.24 - Step 6: Final answer
x = 671,459.97
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.