Finding the Fourth Proportional to 1,022,779.60, 1,533,923.36 and 312,813.79
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Solution
The fourth proportional to 1,022,779.60, 1,533,923.36 and 312,813.79 is: 469,145.43
Step by Step Solution
- Step 1: Write the proportion equation
1,022,779.60 : 1,533,923.36 = 312,813.79 : x - Step 2: Convert to fraction form
1,022,779.60/1,533,923.36 = 312,813.79/x - Step 3: Cross multiply
1,022,779.60x = 1,533,923.36 × 312,813.79 - Step 4: Simplify right side
1,022,779.60x = 479,832,379,811.13 - Step 5: Solve for x
x = 479,832,379,811.13/1,022,779.60 - Step 6: Final answer
x = 469,145.43
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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.