Finding the Fourth Proportional to 679,332.68, 935,858.82 and 475,001.28
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Solution
The fourth proportional to 679,332.68, 935,858.82 and 475,001.28 is: 654,368.84
Step by Step Solution
- Step 1: Write the proportion equation
679,332.68 : 935,858.82 = 475,001.28 : x - Step 2: Convert to fraction form
679,332.68/935,858.82 = 475,001.28/x - Step 3: Cross multiply
679,332.68x = 935,858.82 × 475,001.28 - Step 4: Simplify right side
679,332.68x = 444,534,137,399.29 - Step 5: Solve for x
x = 444,534,137,399.29/679,332.68 - Step 6: Final answer
x = 654,368.84
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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.