Finding the Fourth Proportional to 874,408.40, 1,206,686.09 and 506,956.95
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Solution
The fourth proportional to 874,408.40, 1,206,686.09 and 506,956.95 is: 699,602.03
Step by Step Solution
- Step 1: Write the proportion equation
874,408.40 : 1,206,686.09 = 506,956.95 : x - Step 2: Convert to fraction form
874,408.40/1,206,686.09 = 506,956.95/x - Step 3: Cross multiply
874,408.40x = 1,206,686.09 × 506,956.95 - Step 4: Simplify right side
874,408.40x = 611,737,894,635.06 - Step 5: Solve for x
x = 611,737,894,635.06/874,408.40 - Step 6: Final answer
x = 699,602.03
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.