Finding the Fourth Proportional to 515,027.70, 772,541.55 and 480,035.70
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Solution
The fourth proportional to 515,027.70, 772,541.55 and 480,035.70 is: 720,053.55
Step by Step Solution
- Step 1: Write the proportion equation
515,027.70 : 772,541.55 = 480,035.70 : x - Step 2: Convert to fraction form
515,027.70/772,541.55 = 480,035.70/x - Step 3: Cross multiply
515,027.70x = 772,541.55 × 480,035.70 - Step 4: Simplify right side
515,027.70x = 370,847,523,733.34 - Step 5: Solve for x
x = 370,847,523,733.34/515,027.70 - Step 6: Final answer
x = 720,053.55
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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.