Finding the Fourth Proportional to 617,823.70, 926,735.55 and 368,991.70
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Solution
The fourth proportional to 617,823.70, 926,735.55 and 368,991.70 is: 553,487.55
Step by Step Solution
- Step 1: Write the proportion equation
617,823.70 : 926,735.55 = 368,991.70 : x - Step 2: Convert to fraction form
617,823.70/926,735.55 = 368,991.70/x - Step 3: Cross multiply
617,823.70x = 926,735.55 × 368,991.70 - Step 4: Simplify right side
617,823.70x = 341,957,726,044.94 - Step 5: Solve for x
x = 341,957,726,044.94/617,823.70 - Step 6: Final answer
x = 553,487.55
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1.5x scale
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.