Finding the Fourth Proportional to 524,387.41, 785,319.39 and 355,394.99
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Solution
The fourth proportional to 524,387.41, 785,319.39 and 355,394.99 is: 532,237.38
Step by Step Solution
- Step 1: Write the proportion equation
524,387.41 : 785,319.39 = 355,394.99 : x - Step 2: Convert to fraction form
524,387.41/785,319.39 = 355,394.99/x - Step 3: Cross multiply
524,387.41x = 785,319.39 × 355,394.99 - Step 4: Simplify right side
524,387.41x = 279,098,578,719.16 - Step 5: Solve for x
x = 279,098,578,719.16/524,387.41 - Step 6: Final answer
x = 532,237.38
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.