Finding the Fourth Proportional to 807,516.70, 1,209,780.60 and 470,718.70
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Solution
The fourth proportional to 807,516.70, 1,209,780.60 and 470,718.70 is: 705,206.90
Step by Step Solution
- Step 1: Write the proportion equation
807,516.70 : 1,209,780.60 = 470,718.70 : x - Step 2: Convert to fraction form
807,516.70/1,209,780.60 = 470,718.70/x - Step 3: Cross multiply
807,516.70x = 1,209,780.60 × 470,718.70 - Step 4: Simplify right side
807,516.70x = 569,466,351,317.22 - Step 5: Solve for x
x = 569,466,351,317.22/807,516.70 - Step 6: Final answer
x = 705,206.90
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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.