Finding the Fourth Proportional to 565,809.88, 780,802.10 and 311,161.08
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Solution
The fourth proportional to 565,809.88, 780,802.10 and 311,161.08 is: 429,393.75
Step by Step Solution
- Step 1: Write the proportion equation
565,809.88 : 780,802.10 = 311,161.08 : x - Step 2: Convert to fraction form
565,809.88/780,802.10 = 311,161.08/x - Step 3: Cross multiply
565,809.88x = 780,802.10 × 311,161.08 - Step 4: Simplify right side
565,809.88x = 242,955,224,702.27 - Step 5: Solve for x
x = 242,955,224,702.27/565,809.88 - Step 6: Final answer
x = 429,393.75
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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.