Finding the Fourth Proportional to 572,518.20, 858,777.30 and 542,993.70
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Solution
The fourth proportional to 572,518.20, 858,777.30 and 542,993.70 is: 814,490.55
Step by Step Solution
- Step 1: Write the proportion equation
572,518.20 : 858,777.30 = 542,993.70 : x - Step 2: Convert to fraction form
572,518.20/858,777.30 = 542,993.70/x - Step 3: Cross multiply
572,518.20x = 858,777.30 × 542,993.70 - Step 4: Simplify right side
572,518.20x = 466,310,663,603.01 - Step 5: Solve for x
x = 466,310,663,603.01/572,518.20 - Step 6: Final answer
x = 814,490.55
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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.