Finding the Fourth Proportional to 864,681.18, 1,298,990.08 and 625,532.73
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Solution
The fourth proportional to 864,681.18, 1,298,990.08 and 625,532.73 is: 939,723.02
Step by Step Solution
- Step 1: Write the proportion equation
864,681.18 : 1,298,990.08 = 625,532.73 : x - Step 2: Convert to fraction form
864,681.18/1,298,990.08 = 625,532.73/x - Step 3: Cross multiply
864,681.18x = 1,298,990.08 × 625,532.73 - Step 4: Simplify right side
864,681.18x = 812,560,812,668.96 - Step 5: Solve for x
x = 812,560,812,668.96/864,681.18 - Step 6: Final answer
x = 939,723.02
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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.