Finding the Fourth Proportional to 577,794.60, 866,560.68 and 278,122.14
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Solution
The fourth proportional to 577,794.60, 866,560.68 and 278,122.14 is: 417,120.05
Step by Step Solution
- Step 1: Write the proportion equation
577,794.60 : 866,560.68 = 278,122.14 : x - Step 2: Convert to fraction form
577,794.60/866,560.68 = 278,122.14/x - Step 3: Cross multiply
577,794.60x = 866,560.68 × 278,122.14 - Step 4: Simplify right side
577,794.60x = 241,009,710,761.46 - Step 5: Solve for x
x = 241,009,710,761.46/577,794.60 - Step 6: Final answer
x = 417,120.05
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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.