Finding the Fourth Proportional to 915,447.67, 1,373,399.80 and 646,101.91
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Solution
The fourth proportional to 915,447.67, 1,373,399.80 and 646,101.91 is: 969,313.99
Step by Step Solution
- Step 1: Write the proportion equation
915,447.67 : 1,373,399.80 = 646,101.91 : x - Step 2: Convert to fraction form
915,447.67/1,373,399.80 = 646,101.91/x - Step 3: Cross multiply
915,447.67x = 1,373,399.80 × 646,101.91 - Step 4: Simplify right side
915,447.67x = 887,356,230,743.11 - Step 5: Solve for x
x = 887,356,230,743.11/915,447.67 - Step 6: Final answer
x = 969,313.99
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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.