Finding the Fourth Proportional to 745,110.20, 1,117,038.36 and 324,068.96
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Solution
The fourth proportional to 745,110.20, 1,117,038.36 and 324,068.96 is: 485,830.77
Step by Step Solution
- Step 1: Write the proportion equation
745,110.20 : 1,117,038.36 = 324,068.96 : x - Step 2: Convert to fraction form
745,110.20/1,117,038.36 = 324,068.96/x - Step 3: Cross multiply
745,110.20x = 1,117,038.36 × 324,068.96 - Step 4: Simplify right side
745,110.20x = 361,997,459,605.31 - Step 5: Solve for x
x = 361,997,459,605.31/745,110.20 - Step 6: Final answer
x = 485,830.77
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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.