Finding the Fourth Proportional to 513,107.79, 769,335.68 and 450,054.53
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Solution
The fourth proportional to 513,107.79, 769,335.68 and 450,054.53 is: 674,795.84
Step by Step Solution
- Step 1: Write the proportion equation
513,107.79 : 769,335.68 = 450,054.53 : x - Step 2: Convert to fraction form
513,107.79/769,335.68 = 450,054.53/x - Step 3: Cross multiply
513,107.79x = 769,335.68 × 450,054.53 - Step 4: Simplify right side
513,107.79x = 346,243,001,777.68 - Step 5: Solve for x
x = 346,243,001,777.68/513,107.79 - Step 6: Final answer
x = 674,795.84
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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.