Finding the Fourth Proportional to 551,351.70, 772,679.70 and 551,351.70
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Solution
The fourth proportional to 551,351.70, 772,679.70 and 551,351.70 is: 772,679.70
Step by Step Solution
- Step 1: Write the proportion equation
551,351.70 : 772,679.70 = 551,351.70 : x - Step 2: Convert to fraction form
551,351.70/772,679.70 = 551,351.70/x - Step 3: Cross multiply
551,351.70x = 772,679.70 × 551,351.70 - Step 4: Simplify right side
551,351.70x = 426,018,266,150.49 - Step 5: Solve for x
x = 426,018,266,150.49/551,351.70 - Step 6: Final answer
x = 772,679.70
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.