Finding the Fourth Proportional to 819,313.99, 1,130,720.65 and 451,863.02
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Solution
The fourth proportional to 819,313.99, 1,130,720.65 and 451,863.02 is: 623,608.10
Step by Step Solution
- Step 1: Write the proportion equation
819,313.99 : 1,130,720.65 = 451,863.02 : x - Step 2: Convert to fraction form
819,313.99/1,130,720.65 = 451,863.02/x - Step 3: Cross multiply
819,313.99x = 1,130,720.65 × 451,863.02 - Step 4: Simplify right side
819,313.99x = 510,930,841,824.15 - Step 5: Solve for x
x = 510,930,841,824.15/819,313.99 - Step 6: Final answer
x = 623,608.10
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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.