Finding the Fourth Proportional to 774,401.14, 1,069,062.33 and 484,174.09
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Solution
The fourth proportional to 774,401.14, 1,069,062.33 and 484,174.09 is: 668,403.30
Step by Step Solution
- Step 1: Write the proportion equation
774,401.14 : 1,069,062.33 = 484,174.09 : x - Step 2: Convert to fraction form
774,401.14/1,069,062.33 = 484,174.09/x - Step 3: Cross multiply
774,401.14x = 1,069,062.33 × 484,174.09 - Step 4: Simplify right side
774,401.14x = 517,612,280,781.03 - Step 5: Solve for x
x = 517,612,280,781.03/774,401.14 - Step 6: Final answer
x = 668,403.30
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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.