Finding the Fourth Proportional to 854,459.99, 1,179,131.45 and 472,473.71
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Solution
The fourth proportional to 854,459.99, 1,179,131.45 and 472,473.71 is: 652,000.81
Step by Step Solution
- Step 1: Write the proportion equation
854,459.99 : 1,179,131.45 = 472,473.71 : x - Step 2: Convert to fraction form
854,459.99/1,179,131.45 = 472,473.71/x - Step 3: Cross multiply
854,459.99x = 1,179,131.45 × 472,473.71 - Step 4: Simplify right side
854,459.99x = 557,108,602,501.15 - Step 5: Solve for x
x = 557,108,602,501.15/854,459.99 - Step 6: Final answer
x = 652,000.81
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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.