Finding the Fourth Proportional to 742,306.16, 1,111,550.70 and 514,277.09
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Solution
The fourth proportional to 742,306.16, 1,111,550.70 and 514,277.09 is: 770,093.38
Step by Step Solution
- Step 1: Write the proportion equation
742,306.16 : 1,111,550.70 = 514,277.09 : x - Step 2: Convert to fraction form
742,306.16/1,111,550.70 = 514,277.09/x - Step 3: Cross multiply
742,306.16x = 1,111,550.70 × 514,277.09 - Step 4: Simplify right side
742,306.16x = 571,645,059,383.46 - Step 5: Solve for x
x = 571,645,059,383.46/742,306.16 - Step 6: Final answer
x = 770,093.38
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.