Finding the Fourth Proportional to 652,107.30, 978,160.95 and 628,487.70
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Solution
The fourth proportional to 652,107.30, 978,160.95 and 628,487.70 is: 942,731.55
Step by Step Solution
- Step 1: Write the proportion equation
652,107.30 : 978,160.95 = 628,487.70 : x - Step 2: Convert to fraction form
652,107.30/978,160.95 = 628,487.70/x - Step 3: Cross multiply
652,107.30x = 978,160.95 × 628,487.70 - Step 4: Simplify right side
652,107.30x = 614,762,125,695.32 - Step 5: Solve for x
x = 614,762,125,695.32/652,107.30 - Step 6: Final answer
x = 942,731.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.