Finding the Fourth Proportional to 758,636.07, 1,138,118.12 and 403,598.49
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Solution
The fourth proportional to 758,636.07, 1,138,118.12 and 403,598.49 is: 605,484.99
Step by Step Solution
- Step 1: Write the proportion equation
758,636.07 : 1,138,118.12 = 403,598.49 : x - Step 2: Convert to fraction form
758,636.07/1,138,118.12 = 403,598.49/x - Step 3: Cross multiply
758,636.07x = 1,138,118.12 × 403,598.49 - Step 4: Simplify right side
758,636.07x = 459,342,754,673.64 - Step 5: Solve for x
x = 459,342,754,673.64/758,636.07 - Step 6: Final answer
x = 605,484.99
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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.