Finding the Fourth Proportional to 825,722.99, 1,139,507.29 and 458,207.67
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Solution
The fourth proportional to 825,722.99, 1,139,507.29 and 458,207.67 is: 632,331.89
Step by Step Solution
- Step 1: Write the proportion equation
825,722.99 : 1,139,507.29 = 458,207.67 : x - Step 2: Convert to fraction form
825,722.99/1,139,507.29 = 458,207.67/x - Step 3: Cross multiply
825,722.99x = 1,139,507.29 × 458,207.67 - Step 4: Simplify right side
825,722.99x = 522,130,978,735.10 - Step 5: Solve for x
x = 522,130,978,735.10/825,722.99 - Step 6: Final answer
x = 632,331.89
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.