Finding the Fourth Proportional to 985,988.16, 1,476,715.68 and 626,132.16
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Solution
The fourth proportional to 985,988.16, 1,476,715.68 and 626,132.16 is: 937,758.91
Step by Step Solution
- Step 1: Write the proportion equation
985,988.16 : 1,476,715.68 = 626,132.16 : x - Step 2: Convert to fraction form
985,988.16/1,476,715.68 = 626,132.16/x - Step 3: Cross multiply
985,988.16x = 1,476,715.68 × 626,132.16 - Step 4: Simplify right side
985,988.16x = 924,619,178,424.27 - Step 5: Solve for x
x = 924,619,178,424.27/985,988.16 - Step 6: Final answer
x = 937,758.91
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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.