Finding the Fourth Proportional to 759,488.18, 1,048,357.62 and 437,326.68
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Solution
The fourth proportional to 759,488.18, 1,048,357.62 and 437,326.68 is: 603,662.79
Step by Step Solution
- Step 1: Write the proportion equation
759,488.18 : 1,048,357.62 = 437,326.68 : x - Step 2: Convert to fraction form
759,488.18/1,048,357.62 = 437,326.68/x - Step 3: Cross multiply
759,488.18x = 1,048,357.62 × 437,326.68 - Step 4: Simplify right side
759,488.18x = 458,474,757,407.30 - Step 5: Solve for x
x = 458,474,757,407.30/759,488.18 - Step 6: Final answer
x = 603,662.79
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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.