Finding the Fourth Proportional to 638,604.44, 880,358.64 and 502,402.19
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Solution
The fourth proportional to 638,604.44, 880,358.64 and 502,402.19 is: 692,594.79
Step by Step Solution
- Step 1: Write the proportion equation
638,604.44 : 880,358.64 = 502,402.19 : x - Step 2: Convert to fraction form
638,604.44/880,358.64 = 502,402.19/x - Step 3: Cross multiply
638,604.44x = 880,358.64 × 502,402.19 - Step 4: Simplify right side
638,604.44x = 442,294,104,319.63 - Step 5: Solve for x
x = 442,294,104,319.63/638,604.44 - Step 6: Final answer
x = 692,594.79
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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.