Finding the Fourth Proportional to 855,177.84, 1,283,209.20 and 620,457.84
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Solution
The fourth proportional to 855,177.84, 1,283,209.20 and 620,457.84 is: 931,007.76
Step by Step Solution
- Step 1: Write the proportion equation
855,177.84 : 1,283,209.20 = 620,457.84 : x - Step 2: Convert to fraction form
855,177.84/1,283,209.20 = 620,457.84/x - Step 3: Cross multiply
855,177.84x = 1,283,209.20 × 620,457.84 - Step 4: Simplify right side
855,177.84x = 796,177,208,500.13 - Step 5: Solve for x
x = 796,177,208,500.13/855,177.84 - Step 6: Final answer
x = 931,007.76
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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.