Finding the Fourth Proportional to 819,888.49, 1,229,439.07 and 464,807.17
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Solution
The fourth proportional to 819,888.49, 1,229,439.07 and 464,807.17 is: 696,987.58
Step by Step Solution
- Step 1: Write the proportion equation
819,888.49 : 1,229,439.07 = 464,807.17 : x - Step 2: Convert to fraction form
819,888.49/1,229,439.07 = 464,807.17/x - Step 3: Cross multiply
819,888.49x = 1,229,439.07 × 464,807.17 - Step 4: Simplify right side
819,888.49x = 571,452,094,814.13 - Step 5: Solve for x
x = 571,452,094,814.13/819,888.49 - Step 6: Final answer
x = 696,987.58
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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.