Finding the Fourth Proportional to 815,671.50, 1,125,658.26 and 453,122.88
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Solution
The fourth proportional to 815,671.50, 1,125,658.26 and 453,122.88 is: 625,327.12
Step by Step Solution
- Step 1: Write the proportion equation
815,671.50 : 1,125,658.26 = 453,122.88 : x - Step 2: Convert to fraction form
815,671.50/1,125,658.26 = 453,122.88/x - Step 3: Cross multiply
815,671.50x = 1,125,658.26 × 453,122.88 - Step 4: Simplify right side
815,671.50x = 510,061,512,666.99 - Step 5: Solve for x
x = 510,061,512,666.99/815,671.50 - Step 6: Final answer
x = 625,327.12
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.