Finding the Fourth Proportional to 506,521.70, 759,782.55 and 483,193.70
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Solution
The fourth proportional to 506,521.70, 759,782.55 and 483,193.70 is: 724,790.55
Step by Step Solution
- Step 1: Write the proportion equation
506,521.70 : 759,782.55 = 483,193.70 : x - Step 2: Convert to fraction form
506,521.70/759,782.55 = 483,193.70/x - Step 3: Cross multiply
506,521.70x = 759,782.55 × 483,193.70 - Step 4: Simplify right side
506,521.70x = 367,122,141,529.94 - Step 5: Solve for x
x = 367,122,141,529.94/506,521.70 - Step 6: Final answer
x = 724,790.55
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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.