Finding the Fourth Proportional to 740,949.60, 1,110,243.12 and 474,490.80
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Solution
The fourth proportional to 740,949.60, 1,110,243.12 and 474,490.80 is: 710,979.73
Step by Step Solution
- Step 1: Write the proportion equation
740,949.60 : 1,110,243.12 = 474,490.80 : x - Step 2: Convert to fraction form
740,949.60/1,110,243.12 = 474,490.80/x - Step 3: Cross multiply
740,949.60x = 1,110,243.12 × 474,490.80 - Step 4: Simplify right side
740,949.60x = 526,800,146,203.30 - Step 5: Solve for x
x = 526,800,146,203.30/740,949.60 - Step 6: Final answer
x = 710,979.73
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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.