Finding the Fourth Proportional to 758,430.36, 1,137,977.70 and 359,355.96
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Solution
The fourth proportional to 758,430.36, 1,137,977.70 and 359,355.96 is: 539,191.32
Step by Step Solution
- Step 1: Write the proportion equation
758,430.36 : 1,137,977.70 = 359,355.96 : x - Step 2: Convert to fraction form
758,430.36/1,137,977.70 = 359,355.96/x - Step 3: Cross multiply
758,430.36x = 1,137,977.70 × 359,355.96 - Step 4: Simplify right side
758,430.36x = 408,939,068,842.09 - Step 5: Solve for x
x = 408,939,068,842.09/758,430.36 - Step 6: Final answer
x = 539,191.32
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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.