Finding the Fourth Proportional to 623,715.30, 934,190.55 and 483,017.70
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Solution
The fourth proportional to 623,715.30, 934,190.55 and 483,017.70 is: 723,455.99
Step by Step Solution
- Step 1: Write the proportion equation
623,715.30 : 934,190.55 = 483,017.70 : x - Step 2: Convert to fraction form
623,715.30/934,190.55 = 483,017.70/x - Step 3: Cross multiply
623,715.30x = 934,190.55 × 483,017.70 - Step 4: Simplify right side
623,715.30x = 451,230,570,822.74 - Step 5: Solve for x
x = 451,230,570,822.74/623,715.30 - Step 6: Final answer
x = 723,455.99
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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.