Finding the Fourth Proportional to 524,807.62, 724,250.49 and 298,485.70
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Solution
The fourth proportional to 524,807.62, 724,250.49 and 298,485.70 is: 411,919.35
Step by Step Solution
- Step 1: Write the proportion equation
524,807.62 : 724,250.49 = 298,485.70 : x - Step 2: Convert to fraction form
524,807.62/724,250.49 = 298,485.70/x - Step 3: Cross multiply
524,807.62x = 724,250.49 × 298,485.70 - Step 4: Simplify right side
524,807.62x = 216,178,414,482.99 - Step 5: Solve for x
x = 216,178,414,482.99/524,807.62 - Step 6: Final answer
x = 411,919.35
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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.