Finding the Fourth Proportional to 879,135.70, 1,315,204.35 and 762,106.90
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Solution
The fourth proportional to 879,135.70, 1,315,204.35 and 762,106.90 is: 1,140,126.96
Step by Step Solution
- Step 1: Write the proportion equation
879,135.70 : 1,315,204.35 = 762,106.90 : x - Step 2: Convert to fraction form
879,135.70/1,315,204.35 = 762,106.90/x - Step 3: Cross multiply
879,135.70x = 1,315,204.35 × 762,106.90 - Step 4: Simplify right side
879,135.70x = 1,002,326,310,045.02 - Step 5: Solve for x
x = 1,002,326,310,045.02/879,135.70 - Step 6: Final answer
x = 1,140,126.96
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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.