Finding the Fourth Proportional to 763,726.29, 1,053,825.12 and 441,374.14
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Solution
The fourth proportional to 763,726.29, 1,053,825.12 and 441,374.14 is: 609,028.60
Step by Step Solution
- Step 1: Write the proportion equation
763,726.29 : 1,053,825.12 = 441,374.14 : x - Step 2: Convert to fraction form
763,726.29/1,053,825.12 = 441,374.14/x - Step 3: Cross multiply
763,726.29x = 1,053,825.12 × 441,374.14 - Step 4: Simplify right side
763,726.29x = 465,131,156,050.40 - Step 5: Solve for x
x = 465,131,156,050.40/763,726.29 - Step 6: Final answer
x = 609,028.60
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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.