Finding the Fourth Proportional to 658,701.02, 909,010.68 and 356,895.02
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Solution
The fourth proportional to 658,701.02, 909,010.68 and 356,895.02 is: 492,516.90
Step by Step Solution
- Step 1: Write the proportion equation
658,701.02 : 909,010.68 = 356,895.02 : x - Step 2: Convert to fraction form
658,701.02/909,010.68 = 356,895.02/x - Step 3: Cross multiply
658,701.02x = 909,010.68 × 356,895.02 - Step 4: Simplify right side
658,701.02x = 324,421,384,818.81 - Step 5: Solve for x
x = 324,421,384,818.81/658,701.02 - Step 6: Final answer
x = 492,516.90
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.