Finding the Fourth Proportional to 749,679.99, 1,034,691.57 and 443,926.10
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Solution
The fourth proportional to 749,679.99, 1,034,691.57 and 443,926.10 is: 612,696.88
Step by Step Solution
- Step 1: Write the proportion equation
749,679.99 : 1,034,691.57 = 443,926.10 : x - Step 2: Convert to fraction form
749,679.99/1,034,691.57 = 443,926.10/x - Step 3: Cross multiply
749,679.99x = 1,034,691.57 × 443,926.10 - Step 4: Simplify right side
749,679.99x = 459,326,588,199.52 - Step 5: Solve for x
x = 459,326,588,199.52/749,679.99 - Step 6: Final answer
x = 612,696.88
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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.