Finding the Fourth Proportional to 874,372.19, 1,206,636.35 and 506,920.95
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Solution
The fourth proportional to 874,372.19, 1,206,636.35 and 506,920.95 is: 699,552.49
Step by Step Solution
- Step 1: Write the proportion equation
874,372.19 : 1,206,636.35 = 506,920.95 : x - Step 2: Convert to fraction form
874,372.19/1,206,636.35 = 506,920.95/x - Step 3: Cross multiply
874,372.19x = 1,206,636.35 × 506,920.95 - Step 4: Simplify right side
874,372.19x = 611,669,242,311.93 - Step 5: Solve for x
x = 611,669,242,311.93/874,372.19 - Step 6: Final answer
x = 699,552.49
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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.