Finding the Fourth Proportional to 847,801.17, 1,169,163.99 and 556,899.48
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Solution
The fourth proportional to 847,801.17, 1,169,163.99 and 556,899.48 is: 767,994.72
Step by Step Solution
- Step 1: Write the proportion equation
847,801.17 : 1,169,163.99 = 556,899.48 : x - Step 2: Convert to fraction form
847,801.17/1,169,163.99 = 556,899.48/x - Step 3: Cross multiply
847,801.17x = 1,169,163.99 × 556,899.48 - Step 4: Simplify right side
847,801.17x = 651,106,818,065.73 - Step 5: Solve for x
x = 651,106,818,065.73/847,801.17 - Step 6: Final answer
x = 767,994.72
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.