Finding the Fourth Proportional to 627,319.71, 864,118.26 and 506,121.84
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Solution
The fourth proportional to 627,319.71, 864,118.26 and 506,121.84 is: 697,171.02
Step by Step Solution
- Step 1: Write the proportion equation
627,319.71 : 864,118.26 = 506,121.84 : x - Step 2: Convert to fraction form
627,319.71/864,118.26 = 506,121.84/x - Step 3: Cross multiply
627,319.71x = 864,118.26 × 506,121.84 - Step 4: Simplify right side
627,319.71x = 437,349,123,728.80 - Step 5: Solve for x
x = 437,349,123,728.80/627,319.71 - Step 6: Final answer
x = 697,171.02
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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.