Finding the Fourth Proportional to 528,090.65, 792,135.98 and 403,674.65
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Solution
The fourth proportional to 528,090.65, 792,135.98 and 403,674.65 is: 605,511.98
Step by Step Solution
- Step 1: Write the proportion equation
528,090.65 : 792,135.98 = 403,674.65 : x - Step 2: Convert to fraction form
528,090.65/792,135.98 = 403,674.65/x - Step 3: Cross multiply
528,090.65x = 792,135.98 × 403,674.65 - Step 4: Simplify right side
528,090.65x = 319,765,214,478.91 - Step 5: Solve for x
x = 319,765,214,478.91/528,090.65 - Step 6: Final answer
x = 605,511.98
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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.