Finding the Fourth Proportional to 941,031.42, 1,298,628.63 and 511,315.08
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Solution
The fourth proportional to 941,031.42, 1,298,628.63 and 511,315.08 is: 705,617.67
Step by Step Solution
- Step 1: Write the proportion equation
941,031.42 : 1,298,628.63 = 511,315.08 : x - Step 2: Convert to fraction form
941,031.42/1,298,628.63 = 511,315.08/x - Step 3: Cross multiply
941,031.42x = 1,298,628.63 × 511,315.08 - Step 4: Simplify right side
941,031.42x = 664,008,401,838.74 - Step 5: Solve for x
x = 664,008,401,838.74/941,031.42 - Step 6: Final answer
x = 705,617.67
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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.