Finding the Fourth Proportional to 740,138.44, 1,021,298.58 and 417,808.84
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Solution
The fourth proportional to 740,138.44, 1,021,298.58 and 417,808.84 is: 576,524.00
Step by Step Solution
- Step 1: Write the proportion equation
740,138.44 : 1,021,298.58 = 417,808.84 : x - Step 2: Convert to fraction form
740,138.44/1,021,298.58 = 417,808.84/x - Step 3: Cross multiply
740,138.44x = 1,021,298.58 × 417,808.84 - Step 4: Simplify right side
740,138.44x = 426,707,575,003.45 - Step 5: Solve for x
x = 426,707,575,003.45/740,138.44 - Step 6: Final answer
x = 576,524.00
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.