Finding the Fourth Proportional to 442,784.08, 609,564.12 and 422,447.68
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Solution
The fourth proportional to 442,784.08, 609,564.12 and 422,447.68 is: 581,567.77
Step by Step Solution
- Step 1: Write the proportion equation
442,784.08 : 609,564.12 = 422,447.68 : x - Step 2: Convert to fraction form
442,784.08/609,564.12 = 422,447.68/x - Step 3: Cross multiply
442,784.08x = 609,564.12 × 422,447.68 - Step 4: Simplify right side
442,784.08x = 257,508,948,305.24 - Step 5: Solve for x
x = 257,508,948,305.24/442,784.08 - Step 6: Final answer
x = 581,567.77
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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.