Finding the Fourth Proportional to 710,369.68, 1,065,948.18 and 289,613.02
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Solution
The fourth proportional to 710,369.68, 1,065,948.18 and 289,613.02 is: 434,580.02
Step by Step Solution
- Step 1: Write the proportion equation
710,369.68 : 1,065,948.18 = 289,613.02 : x - Step 2: Convert to fraction form
710,369.68/1,065,948.18 = 289,613.02/x - Step 3: Cross multiply
710,369.68x = 1,065,948.18 × 289,613.02 - Step 4: Simplify right side
710,369.68x = 308,712,471,573.30 - Step 5: Solve for x
x = 308,712,471,573.30/710,369.68 - Step 6: Final answer
x = 434,580.02
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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.