Finding the Fourth Proportional to 452,739.65, 679,107.04 and 115,779.75
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Solution
The fourth proportional to 452,739.65, 679,107.04 and 115,779.75 is: 173,669.00
Step by Step Solution
- Step 1: Write the proportion equation
452,739.65 : 679,107.04 = 115,779.75 : x - Step 2: Convert to fraction form
452,739.65/679,107.04 = 115,779.75/x - Step 3: Cross multiply
452,739.65x = 679,107.04 × 115,779.75 - Step 4: Simplify right side
452,739.65x = 78,626,840,478.34 - Step 5: Solve for x
x = 78,626,840,478.34/452,739.65 - Step 6: Final answer
x = 173,669.00
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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.