Finding the Fourth Proportional to 876,113.44, 1,209,029.51 and 508,624.67
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Solution
The fourth proportional to 876,113.44, 1,209,029.51 and 508,624.67 is: 701,897.96
Step by Step Solution
- Step 1: Write the proportion equation
876,113.44 : 1,209,029.51 = 508,624.67 : x - Step 2: Convert to fraction form
876,113.44/1,209,029.51 = 508,624.67/x - Step 3: Cross multiply
876,113.44x = 1,209,029.51 × 508,624.67 - Step 4: Simplify right side
876,113.44x = 614,942,236,023.46 - Step 5: Solve for x
x = 614,942,236,023.46/876,113.44 - Step 6: Final answer
x = 701,897.96
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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.