Finding the Fourth Proportional to 937,721.97, 1,408,298.94 and 858,670.02
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Solution
The fourth proportional to 937,721.97, 1,408,298.94 and 858,670.02 is: 1,289,576.35
Step by Step Solution
- Step 1: Write the proportion equation
937,721.97 : 1,408,298.94 = 858,670.02 : x - Step 2: Convert to fraction form
937,721.97/1,408,298.94 = 858,670.02/x - Step 3: Cross multiply
937,721.97x = 1,408,298.94 × 858,670.02 - Step 4: Simplify right side
937,721.97x = 1,209,264,078,975.78 - Step 5: Solve for x
x = 1,209,264,078,975.78/937,721.97 - Step 6: Final answer
x = 1,289,576.35
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.