Finding the Fourth Proportional to 840,457.62, 1,159,829.10 and 458,481.68
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Solution
The fourth proportional to 840,457.62, 1,159,829.10 and 458,481.68 is: 632,703.40
Step by Step Solution
- Step 1: Write the proportion equation
840,457.62 : 1,159,829.10 = 458,481.68 : x - Step 2: Convert to fraction form
840,457.62/1,159,829.10 = 458,481.68/x - Step 3: Cross multiply
840,457.62x = 1,159,829.10 × 458,481.68 - Step 4: Simplify right side
840,457.62x = 531,760,394,280.89 - Step 5: Solve for x
x = 531,760,394,280.89/840,457.62 - Step 6: Final answer
x = 632,703.40
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.