Finding the Fourth Proportional to 487,718.80, 673,282.04 and 366,906.08
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Solution
The fourth proportional to 487,718.80, 673,282.04 and 366,906.08 is: 506,503.49
Step by Step Solution
- Step 1: Write the proportion equation
487,718.80 : 673,282.04 = 366,906.08 : x - Step 2: Convert to fraction form
487,718.80/673,282.04 = 366,906.08/x - Step 3: Cross multiply
487,718.80x = 673,282.04 × 366,906.08 - Step 4: Simplify right side
487,718.80x = 247,031,274,030.80 - Step 5: Solve for x
x = 247,031,274,030.80/487,718.80 - Step 6: Final answer
x = 506,503.49
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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.