Finding the Fourth Proportional to 754,067.20, 1,130,271.36 and 310,593.28
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Solution
The fourth proportional to 754,067.20, 1,130,271.36 and 310,593.28 is: 465,548.28
Step by Step Solution
- Step 1: Write the proportion equation
754,067.20 : 1,130,271.36 = 310,593.28 : x - Step 2: Convert to fraction form
754,067.20/1,130,271.36 = 310,593.28/x - Step 3: Cross multiply
754,067.20x = 1,130,271.36 × 310,593.28 - Step 4: Simplify right side
754,067.20x = 351,054,688,992.46 - Step 5: Solve for x
x = 351,054,688,992.46/754,067.20 - Step 6: Final answer
x = 465,548.28
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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.