Finding the Fourth Proportional to 553,693.70, 777,270.70 and 553,693.70
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Solution
The fourth proportional to 553,693.70, 777,270.70 and 553,693.70 is: 777,270.70
Step by Step Solution
- Step 1: Write the proportion equation
553,693.70 : 777,270.70 = 553,693.70 : x - Step 2: Convert to fraction form
553,693.70/777,270.70 = 553,693.70/x - Step 3: Cross multiply
553,693.70x = 777,270.70 × 553,693.70 - Step 4: Simplify right side
553,693.70x = 430,369,889,784.59 - Step 5: Solve for x
x = 430,369,889,784.59/553,693.70 - Step 6: Final answer
x = 777,270.70
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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.