Finding the Fourth Proportional to 509,956.60, 764,278.80 and 310,064.80
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Solution
The fourth proportional to 509,956.60, 764,278.80 and 310,064.80 is: 464,698.28
Step by Step Solution
- Step 1: Write the proportion equation
509,956.60 : 764,278.80 = 310,064.80 : x - Step 2: Convert to fraction form
509,956.60/764,278.80 = 310,064.80/x - Step 3: Cross multiply
509,956.60x = 764,278.80 × 310,064.80 - Step 4: Simplify right side
509,956.60x = 236,975,953,266.24 - Step 5: Solve for x
x = 236,975,953,266.24/509,956.60 - Step 6: Final answer
x = 464,698.28
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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.