Finding the Fourth Proportional to 484,132.75, 724,646.35 and 258,930.07
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Solution
The fourth proportional to 484,132.75, 724,646.35 and 258,930.07 is: 387,564.63
Step by Step Solution
- Step 1: Write the proportion equation
484,132.75 : 724,646.35 = 258,930.07 : x - Step 2: Convert to fraction form
484,132.75/724,646.35 = 258,930.07/x - Step 3: Cross multiply
484,132.75x = 724,646.35 × 258,930.07 - Step 4: Simplify right side
484,132.75x = 187,632,728,642.79 - Step 5: Solve for x
x = 187,632,728,642.79/484,132.75 - Step 6: Final answer
x = 387,564.63
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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.