Finding the Fourth Proportional to 626,394.74, 864,795.99 and 411,904.71
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Solution
The fourth proportional to 626,394.74, 864,795.99 and 411,904.71 is: 568,672.63
Step by Step Solution
- Step 1: Write the proportion equation
626,394.74 : 864,795.99 = 411,904.71 : x - Step 2: Convert to fraction form
626,394.74/864,795.99 = 411,904.71/x - Step 3: Cross multiply
626,394.74x = 864,795.99 × 411,904.71 - Step 4: Simplify right side
626,394.74x = 356,213,543,014.76 - Step 5: Solve for x
x = 356,213,543,014.76/626,394.74 - Step 6: Final answer
x = 568,672.63
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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.