Finding the Fourth Proportional to 776,713.05, 1,163,576.95 and 476,317.67
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Solution
The fourth proportional to 776,713.05, 1,163,576.95 and 476,317.67 is: 713,561.15
Step by Step Solution
- Step 1: Write the proportion equation
776,713.05 : 1,163,576.95 = 476,317.67 : x - Step 2: Convert to fraction form
776,713.05/1,163,576.95 = 476,317.67/x - Step 3: Cross multiply
776,713.05x = 1,163,576.95 × 476,317.67 - Step 4: Simplify right side
776,713.05x = 554,232,254,681.03 - Step 5: Solve for x
x = 554,232,254,681.03/776,713.05 - Step 6: Final answer
x = 713,561.15
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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.