Finding the Fourth Proportional to 858,537.28, 1,287,281.04 and 409,395.52
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Solution
The fourth proportional to 858,537.28, 1,287,281.04 and 409,395.52 is: 613,842.99
Step by Step Solution
- Step 1: Write the proportion equation
858,537.28 : 1,287,281.04 = 409,395.52 : x - Step 2: Convert to fraction form
858,537.28/1,287,281.04 = 409,395.52/x - Step 3: Cross multiply
858,537.28x = 1,287,281.04 × 409,395.52 - Step 4: Simplify right side
858,537.28x = 527,007,090,756.94 - Step 5: Solve for x
x = 527,007,090,756.94/858,537.28 - Step 6: Final answer
x = 613,842.99
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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.