Finding the Fourth Proportional to 765,955.02, 1,149,097.68 and 381,913.28
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Solution
The fourth proportional to 765,955.02, 1,149,097.68 and 381,913.28 is: 572,952.27
Step by Step Solution
- Step 1: Write the proportion equation
765,955.02 : 1,149,097.68 = 381,913.28 : x - Step 2: Convert to fraction form
765,955.02/1,149,097.68 = 381,913.28/x - Step 3: Cross multiply
765,955.02x = 1,149,097.68 × 381,913.28 - Step 4: Simplify right side
765,955.02x = 438,855,664,009.19 - Step 5: Solve for x
x = 438,855,664,009.19/765,955.02 - Step 6: Final answer
x = 572,952.27
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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.