Finding the Fourth Proportional to 780,216.77, 1,170,347.04 and 381,176.75
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Solution
The fourth proportional to 780,216.77, 1,170,347.04 and 381,176.75 is: 571,775.82
Step by Step Solution
- Step 1: Write the proportion equation
780,216.77 : 1,170,347.04 = 381,176.75 : x - Step 2: Convert to fraction form
780,216.77/1,170,347.04 = 381,176.75/x - Step 3: Cross multiply
780,216.77x = 1,170,347.04 × 381,176.75 - Step 4: Simplify right side
780,216.77x = 446,109,084,005.19 - Step 5: Solve for x
x = 446,109,084,005.19/780,216.77 - Step 6: Final answer
x = 571,775.82
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.