Finding the Fourth Proportional to 861,283.07, 1,291,924.58 and 355,857.14
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Solution
The fourth proportional to 861,283.07, 1,291,924.58 and 355,857.14 is: 533,785.70
Step by Step Solution
- Step 1: Write the proportion equation
861,283.07 : 1,291,924.58 = 355,857.14 : x - Step 2: Convert to fraction form
861,283.07/1,291,924.58 = 355,857.14/x - Step 3: Cross multiply
861,283.07x = 1,291,924.58 × 355,857.14 - Step 4: Simplify right side
861,283.07x = 459,740,582,179.43 - Step 5: Solve for x
x = 459,740,582,179.43/861,283.07 - Step 6: Final answer
x = 533,785.70
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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.