Finding the Fourth Proportional to 909,998.70, 1,364,998.05 and 732,851.70
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Solution
The fourth proportional to 909,998.70, 1,364,998.05 and 732,851.70 is: 1,099,277.55
Step by Step Solution
- Step 1: Write the proportion equation
909,998.70 : 1,364,998.05 = 732,851.70 : x - Step 2: Convert to fraction form
909,998.70/1,364,998.05 = 732,851.70/x - Step 3: Cross multiply
909,998.70x = 1,364,998.05 × 732,851.70 - Step 4: Simplify right side
909,998.70x = 1,000,341,141,439.19 - Step 5: Solve for x
x = 1,000,341,141,439.19/909,998.70 - Step 6: Final answer
x = 1,099,277.55
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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.