Finding the Fourth Proportional to 528,588.99, 729,458.26 and 286,873.65
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Solution
The fourth proportional to 528,588.99, 729,458.26 and 286,873.65 is: 395,888.60
Step by Step Solution
- Step 1: Write the proportion equation
528,588.99 : 729,458.26 = 286,873.65 : x - Step 2: Convert to fraction form
528,588.99/729,458.26 = 286,873.65/x - Step 3: Cross multiply
528,588.99x = 729,458.26 × 286,873.65 - Step 4: Simplify right side
528,588.99x = 209,262,352,851.67 - Step 5: Solve for x
x = 209,262,352,851.67/528,588.99 - Step 6: Final answer
x = 395,888.60
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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.