Finding the Fourth Proportional to 1,277,708.28, 1,916,147.84 and 424,550.84
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Solution
The fourth proportional to 1,277,708.28, 1,916,147.84 and 424,550.84 is: 636,688.51
Step by Step Solution
- Step 1: Write the proportion equation
1,277,708.28 : 1,916,147.84 = 424,550.84 : x - Step 2: Convert to fraction form
1,277,708.28/1,916,147.84 = 424,550.84/x - Step 3: Cross multiply
1,277,708.28x = 1,916,147.84 × 424,550.84 - Step 4: Simplify right side
1,277,708.28x = 813,502,175,036.19 - Step 5: Solve for x
x = 813,502,175,036.19/1,277,708.28 - Step 6: Final answer
x = 636,688.51
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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.