Finding the Fourth Proportional to 513,290.79, 708,320.97 and 283,833.18
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Solution
The fourth proportional to 513,290.79, 708,320.97 and 283,833.18 is: 391,678.55
Step by Step Solution
- Step 1: Write the proportion equation
513,290.79 : 708,320.97 = 283,833.18 : x - Step 2: Convert to fraction form
513,290.79/708,320.97 = 283,833.18/x - Step 3: Cross multiply
513,290.79x = 708,320.97 × 283,833.18 - Step 4: Simplify right side
513,290.79x = 201,044,993,375.79 - Step 5: Solve for x
x = 201,044,993,375.79/513,290.79 - Step 6: Final answer
x = 391,678.55
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.