Finding the Fourth Proportional to 906,829.68, 1,251,431.96 and 567,490.80
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Solution
The fourth proportional to 906,829.68, 1,251,431.96 and 567,490.80 is: 783,141.69
Step by Step Solution
- Step 1: Write the proportion equation
906,829.68 : 1,251,431.96 = 567,490.80 : x - Step 2: Convert to fraction form
906,829.68/1,251,431.96 = 567,490.80/x - Step 3: Cross multiply
906,829.68x = 1,251,431.96 × 567,490.80 - Step 4: Simplify right side
906,829.68x = 710,176,124,125.97 - Step 5: Solve for x
x = 710,176,124,125.97/906,829.68 - Step 6: Final answer
x = 783,141.69
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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.