Finding the Fourth Proportional to 1,280,251.98, 1,920,475.98 and 381,625.02
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Solution
The fourth proportional to 1,280,251.98, 1,920,475.98 and 381,625.02 is: 572,466.75
Step by Step Solution
- Step 1: Write the proportion equation
1,280,251.98 : 1,920,475.98 = 381,625.02 : x - Step 2: Convert to fraction form
1,280,251.98/1,920,475.98 = 381,625.02/x - Step 3: Cross multiply
1,280,251.98x = 1,920,475.98 × 381,625.02 - Step 4: Simplify right side
1,280,251.98x = 732,901,684,277.02 - Step 5: Solve for x
x = 732,901,684,277.02/1,280,251.98 - Step 6: Final answer
x = 572,466.75
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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.