Finding the Fourth Proportional to 876,851.70, 1,315,277.55 and 735,134.10
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Solution
The fourth proportional to 876,851.70, 1,315,277.55 and 735,134.10 is: 1,102,701.15
Step by Step Solution
- Step 1: Write the proportion equation
876,851.70 : 1,315,277.55 = 735,134.10 : x - Step 2: Convert to fraction form
876,851.70/1,315,277.55 = 735,134.10/x - Step 3: Cross multiply
876,851.70x = 1,315,277.55 × 735,134.10 - Step 4: Simplify right side
876,851.70x = 966,905,377,969.46 - Step 5: Solve for x
x = 966,905,377,969.46/876,851.70 - Step 6: Final answer
x = 1,102,701.15
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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.