Finding the Fourth Proportional to 935,408.80, 1,290,877.76 and 527,530.08
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Solution
The fourth proportional to 935,408.80, 1,290,877.76 and 527,530.08 is: 727,999.19
Step by Step Solution
- Step 1: Write the proportion equation
935,408.80 : 1,290,877.76 = 527,530.08 : x - Step 2: Convert to fraction form
935,408.80/1,290,877.76 = 527,530.08/x - Step 3: Cross multiply
935,408.80x = 1,290,877.76 × 527,530.08 - Step 4: Simplify right side
935,408.80x = 680,976,848,003.02 - Step 5: Solve for x
x = 680,976,848,003.02/935,408.80 - Step 6: Final answer
x = 727,999.19
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.