Finding the Fourth Proportional to 901,270.98, 1,243,898.82 and 514,212.66
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Solution
The fourth proportional to 901,270.98, 1,243,898.82 and 514,212.66 is: 709,696.12
Step by Step Solution
- Step 1: Write the proportion equation
901,270.98 : 1,243,898.82 = 514,212.66 : x - Step 2: Convert to fraction form
901,270.98/1,243,898.82 = 514,212.66/x - Step 3: Cross multiply
901,270.98x = 1,243,898.82 × 514,212.66 - Step 4: Simplify right side
901,270.98x = 639,628,521,003.06 - Step 5: Solve for x
x = 639,628,521,003.06/901,270.98 - Step 6: Final answer
x = 709,696.12
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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.