Finding the Fourth Proportional to 509,948.70, 764,923.05 and 210,329.70
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Solution
The fourth proportional to 509,948.70, 764,923.05 and 210,329.70 is: 315,494.55
Step by Step Solution
- Step 1: Write the proportion equation
509,948.70 : 764,923.05 = 210,329.70 : x - Step 2: Convert to fraction form
509,948.70/764,923.05 = 210,329.70/x - Step 3: Cross multiply
509,948.70x = 764,923.05 × 210,329.70 - Step 4: Simplify right side
509,948.70x = 160,886,035,629.59 - Step 5: Solve for x
x = 160,886,035,629.59/509,948.70 - Step 6: Final answer
x = 315,494.55
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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.