Finding the Fourth Proportional to 987,734.94, 1,363,072.95 and 535,027.74
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Solution
The fourth proportional to 987,734.94, 1,363,072.95 and 535,027.74 is: 738,337.59
Step by Step Solution
- Step 1: Write the proportion equation
987,734.94 : 1,363,072.95 = 535,027.74 : x - Step 2: Convert to fraction form
987,734.94/1,363,072.95 = 535,027.74/x - Step 3: Cross multiply
987,734.94x = 1,363,072.95 × 535,027.74 - Step 4: Simplify right side
987,734.94x = 729,281,839,893.63 - Step 5: Solve for x
x = 729,281,839,893.63/987,734.94 - Step 6: Final answer
x = 738,337.59
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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.