Finding the Fourth Proportional to 953,533.26, 1,431,549.99 and 639,395.82
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Solution
The fourth proportional to 953,533.26, 1,431,549.99 and 639,395.82 is: 959,931.99
Step by Step Solution
- Step 1: Write the proportion equation
953,533.26 : 1,431,549.99 = 639,395.82 : x - Step 2: Convert to fraction form
953,533.26/1,431,549.99 = 639,395.82/x - Step 3: Cross multiply
953,533.26x = 1,431,549.99 × 639,395.82 - Step 4: Simplify right side
953,533.26x = 915,327,079,727.04 - Step 5: Solve for x
x = 915,327,079,727.04/953,533.26 - Step 6: Final answer
x = 959,931.99
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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.