Finding the Fourth Proportional to 781,194.02, 1,078,038.05 and 458,933.49
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Solution
The fourth proportional to 781,194.02, 1,078,038.05 and 458,933.49 is: 633,322.52
Step by Step Solution
- Step 1: Write the proportion equation
781,194.02 : 1,078,038.05 = 458,933.49 : x - Step 2: Convert to fraction form
781,194.02/1,078,038.05 = 458,933.49/x - Step 3: Cross multiply
781,194.02x = 1,078,038.05 × 458,933.49 - Step 4: Simplify right side
781,194.02x = 494,747,762,344.63 - Step 5: Solve for x
x = 494,747,762,344.63/781,194.02 - Step 6: Final answer
x = 633,322.52
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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.