Finding the Fourth Proportional to 771,158.14, 1,064,203.59 and 449,056.06
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Solution
The fourth proportional to 771,158.14, 1,064,203.59 and 449,056.06 is: 619,700.48
Step by Step Solution
- Step 1: Write the proportion equation
771,158.14 : 1,064,203.59 = 449,056.06 : x - Step 2: Convert to fraction form
771,158.14/1,064,203.59 = 449,056.06/x - Step 3: Cross multiply
771,158.14x = 1,064,203.59 × 449,056.06 - Step 4: Simplify right side
771,158.14x = 477,887,071,163.26 - Step 5: Solve for x
x = 477,887,071,163.26/771,158.14 - Step 6: Final answer
x = 619,700.48
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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.