Finding the Fourth Proportional to 786,869.98, 1,181,485.95 and 450,290.68
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Solution
The fourth proportional to 786,869.98, 1,181,485.95 and 450,290.68 is: 676,111.84
Step by Step Solution
- Step 1: Write the proportion equation
786,869.98 : 1,181,485.95 = 450,290.68 : x - Step 2: Convert to fraction form
786,869.98/1,181,485.95 = 450,290.68/x - Step 3: Cross multiply
786,869.98x = 1,181,485.95 × 450,290.68 - Step 4: Simplify right side
786,869.98x = 532,012,111,835.95 - Step 5: Solve for x
x = 532,012,111,835.95/786,869.98 - Step 6: Final answer
x = 676,111.84
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.