Finding the Fourth Proportional to 684,830.70, 1,027,246.05 and 665,147.70
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Solution
The fourth proportional to 684,830.70, 1,027,246.05 and 665,147.70 is: 997,721.55
Step by Step Solution
- Step 1: Write the proportion equation
684,830.70 : 1,027,246.05 = 665,147.70 : x - Step 2: Convert to fraction form
684,830.70/1,027,246.05 = 665,147.70/x - Step 3: Cross multiply
684,830.70x = 1,027,246.05 × 665,147.70 - Step 4: Simplify right side
684,830.70x = 683,270,347,491.59 - Step 5: Solve for x
x = 683,270,347,491.59/684,830.70 - Step 6: Final answer
x = 997,721.55
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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.