Finding the Fourth Proportional to 762,495.12, 1,144,491.12 and 636,941.88
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Solution
The fourth proportional to 762,495.12, 1,144,491.12 and 636,941.88 is: 956,038.02
Step by Step Solution
- Step 1: Write the proportion equation
762,495.12 : 1,144,491.12 = 636,941.88 : x - Step 2: Convert to fraction form
762,495.12/1,144,491.12 = 636,941.88/x - Step 3: Cross multiply
762,495.12x = 1,144,491.12 × 636,941.88 - Step 4: Simplify right side
762,495.12x = 728,974,325,616.11 - Step 5: Solve for x
x = 728,974,325,616.11/762,495.12 - Step 6: Final answer
x = 956,038.02
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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.