Finding the Fourth Proportional to 891,711.66, 1,337,286.53 and 292,533.18
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Solution
The fourth proportional to 891,711.66, 1,337,286.53 and 292,533.18 is: 438,707.60
Step by Step Solution
- Step 1: Write the proportion equation
891,711.66 : 1,337,286.53 = 292,533.18 : x - Step 2: Convert to fraction form
891,711.66/1,337,286.53 = 292,533.18/x - Step 3: Cross multiply
891,711.66x = 1,337,286.53 × 292,533.18 - Step 4: Simplify right side
891,711.66x = 391,200,679,729.40 - Step 5: Solve for x
x = 391,200,679,729.40/891,711.66 - Step 6: Final answer
x = 438,707.60
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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.