Finding the Fourth Proportional to 565,578.16, 780,498.36 and 310,933.68
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Solution
The fourth proportional to 565,578.16, 780,498.36 and 310,933.68 is: 429,088.75
Step by Step Solution
- Step 1: Write the proportion equation
565,578.16 : 780,498.36 = 310,933.68 : x - Step 2: Convert to fraction form
565,578.16/780,498.36 = 310,933.68/x - Step 3: Cross multiply
565,578.16x = 780,498.36 × 310,933.68 - Step 4: Simplify right side
565,578.16x = 242,683,227,308.77 - Step 5: Solve for x
x = 242,683,227,308.77/565,578.16 - Step 6: Final answer
x = 429,088.75
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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.