Finding the Fourth Proportional to 1,022,778.66, 1,533,921.93 and 312,812.85
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Solution
The fourth proportional to 1,022,778.66, 1,533,921.93 and 312,812.85 is: 469,144.02
Step by Step Solution
- Step 1: Write the proportion equation
1,022,778.66 : 1,533,921.93 = 312,812.85 : x - Step 2: Convert to fraction form
1,022,778.66/1,533,921.93 = 312,812.85/x - Step 3: Cross multiply
1,022,778.66x = 1,533,921.93 × 312,812.85 - Step 4: Simplify right side
1,022,778.66x = 479,830,490,600.80 - Step 5: Solve for x
x = 479,830,490,600.80/1,022,778.66 - Step 6: Final answer
x = 469,144.02
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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.