Finding the Fourth Proportional to 509,726.25, 703,423.04 and 283,371.75
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Solution
The fourth proportional to 509,726.25, 703,423.04 and 283,371.75 is: 391,053.47
Step by Step Solution
- Step 1: Write the proportion equation
509,726.25 : 703,423.04 = 283,371.75 : x - Step 2: Convert to fraction form
509,726.25/703,423.04 = 283,371.75/x - Step 3: Cross multiply
509,726.25x = 703,423.04 × 283,371.75 - Step 4: Simplify right side
509,726.25x = 199,330,216,418.26 - Step 5: Solve for x
x = 199,330,216,418.26/509,726.25 - Step 6: Final answer
x = 391,053.47
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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.