Finding the Fourth Proportional to 528,800.70, 794,664.94 and 515,982.08
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Solution
The fourth proportional to 528,800.70, 794,664.94 and 515,982.08 is: 775,401.52
Step by Step Solution
- Step 1: Write the proportion equation
528,800.70 : 794,664.94 = 515,982.08 : x - Step 2: Convert to fraction form
528,800.70/794,664.94 = 515,982.08/x - Step 3: Cross multiply
528,800.70x = 794,664.94 × 515,982.08 - Step 4: Simplify right side
528,800.70x = 410,032,868,644.28 - Step 5: Solve for x
x = 410,032,868,644.28/528,800.70 - Step 6: Final answer
x = 775,401.52
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.