Finding the Fourth Proportional to 638,208.09, 880,952.73 and 570,106.80
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Solution
The fourth proportional to 638,208.09, 880,952.73 and 570,106.80 is: 786,948.88
Step by Step Solution
- Step 1: Write the proportion equation
638,208.09 : 880,952.73 = 570,106.80 : x - Step 2: Convert to fraction form
638,208.09/880,952.73 = 570,106.80/x - Step 3: Cross multiply
638,208.09x = 880,952.73 × 570,106.80 - Step 4: Simplify right side
638,208.09x = 502,237,141,851.56 - Step 5: Solve for x
x = 502,237,141,851.56/638,208.09 - Step 6: Final answer
x = 786,948.88
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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.