Finding the Fourth Proportional to 509,930.60, 764,239.80 and 310,038.80
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Solution
The fourth proportional to 509,930.60, 764,239.80 and 310,038.80 is: 464,659.29
Step by Step Solution
- Step 1: Write the proportion equation
509,930.60 : 764,239.80 = 310,038.80 : x - Step 2: Convert to fraction form
509,930.60/764,239.80 = 310,038.80/x - Step 3: Cross multiply
509,930.60x = 764,239.80 × 310,038.80 - Step 4: Simplify right side
509,930.60x = 236,943,990,504.24 - Step 5: Solve for x
x = 236,943,990,504.24/509,930.60 - Step 6: Final answer
x = 464,659.29
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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.