Finding the Fourth Proportional to 528,803.70, 794,669.44 and 515,985.08
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Solution
The fourth proportional to 528,803.70, 794,669.44 and 515,985.08 is: 775,406.02
Step by Step Solution
- Step 1: Write the proportion equation
528,803.70 : 794,669.44 = 515,985.08 : x - Step 2: Convert to fraction form
528,803.70/794,669.44 = 515,985.08/x - Step 3: Cross multiply
528,803.70x = 794,669.44 × 515,985.08 - Step 4: Simplify right side
528,803.70x = 410,037,574,571.96 - Step 5: Solve for x
x = 410,037,574,571.96/528,803.70 - Step 6: Final answer
x = 775,406.02
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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.