Finding the Fourth Proportional to 966,177.70, 1,449,266.55 and 493,785.70
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Solution
The fourth proportional to 966,177.70, 1,449,266.55 and 493,785.70 is: 740,678.55
Step by Step Solution
- Step 1: Write the proportion equation
966,177.70 : 1,449,266.55 = 493,785.70 : x - Step 2: Convert to fraction form
966,177.70/1,449,266.55 = 493,785.70/x - Step 3: Cross multiply
966,177.70x = 1,449,266.55 × 493,785.70 - Step 4: Simplify right side
966,177.70x = 715,627,097,878.34 - Step 5: Solve for x
x = 715,627,097,878.34/966,177.70 - Step 6: Final answer
x = 740,678.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.