Finding the Fourth Proportional to 730,549.99, 1,007,506.30 and 458,643.21
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Solution
The fourth proportional to 730,549.99, 1,007,506.30 and 458,643.21 is: 632,517.88
Step by Step Solution
- Step 1: Write the proportion equation
730,549.99 : 1,007,506.30 = 458,643.21 : x - Step 2: Convert to fraction form
730,549.99/1,007,506.30 = 458,643.21/x - Step 3: Cross multiply
730,549.99x = 1,007,506.30 × 458,643.21 - Step 4: Simplify right side
730,549.99x = 462,085,925,129.65 - Step 5: Solve for x
x = 462,085,925,129.65/730,549.99 - Step 6: Final answer
x = 632,517.88
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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.