Finding the Fourth Proportional to 780,995.28, 1,170,154.26 and 524,347.06
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Solution
The fourth proportional to 780,995.28, 1,170,154.26 and 524,347.06 is: 785,621.84
Step by Step Solution
- Step 1: Write the proportion equation
780,995.28 : 1,170,154.26 = 524,347.06 : x - Step 2: Convert to fraction form
780,995.28/1,170,154.26 = 524,347.06/x - Step 3: Cross multiply
780,995.28x = 1,170,154.26 × 524,347.06 - Step 4: Simplify right side
780,995.28x = 613,566,945,977.48 - Step 5: Solve for x
x = 613,566,945,977.48/780,995.28 - Step 6: Final answer
x = 785,621.84
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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.