Finding the Fourth Proportional to 572,935.27, 790,374.23 and 381,703.99
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Solution
The fourth proportional to 572,935.27, 790,374.23 and 381,703.99 is: 526,567.33
Step by Step Solution
- Step 1: Write the proportion equation
572,935.27 : 790,374.23 = 381,703.99 : x - Step 2: Convert to fraction form
572,935.27/790,374.23 = 381,703.99/x - Step 3: Cross multiply
572,935.27x = 790,374.23 × 381,703.99 - Step 4: Simplify right side
572,935.27x = 301,688,993,299.72 - Step 5: Solve for x
x = 301,688,993,299.72/572,935.27 - Step 6: Final answer
x = 526,567.33
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.