Finding the Fourth Proportional to 702,937.10, 1,051,948.05 and 643,954.70
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Solution
The fourth proportional to 702,937.10, 1,051,948.05 and 643,954.70 is: 963,680.66
Step by Step Solution
- Step 1: Write the proportion equation
702,937.10 : 1,051,948.05 = 643,954.70 : x - Step 2: Convert to fraction form
702,937.10/1,051,948.05 = 643,954.70/x - Step 3: Cross multiply
702,937.10x = 1,051,948.05 × 643,954.70 - Step 4: Simplify right side
702,937.10x = 677,406,890,953.34 - Step 5: Solve for x
x = 677,406,890,953.34/702,937.10 - Step 6: Final answer
x = 963,680.66
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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.